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UNIVERSITY - NATIONAL OCEANOGRAPHIC LABORATORY SYSTEM

SUMMARY REPORT

OF

ALVIN REVIEW COMMITTEE WORKSHOPS AND MEETINGS

December 8, 1985 - San Francisco January 12, 1986 - New Orleans, Louisiana

CONTENTS

Summary Report of ARC Workshops Summary Report of ARC Meetings

APPENDICES

T. Letter Announcement of Workshops, October 31, 1985 II. Exploring Our Frontier (ALVIN History) III. ALVIN Modification - 85/86 Overhaul IV. ALVIN/ATLANTIS II, Notification of Intent Summary

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UNOLS

ALVIN Review Committee

Summary of Workshops

December 8, 1985 - San Francisco, California January 12, 1986 - New Orleans, Louisiana

Forward: By letter of October 31, 1985 (Appendix I) the Chairman of the ALVIN Review Committee announced to the ALVIN user and oceanographic communities two workshops to generate planning information for ALVIN/ATLANTIS II deep science in 1988 and beyond. The workshops were held in San Francisco on December 8, 1985, just preceding the Fall AGU meeting and on January 12, 1986, before the AGU/ASLO Ocean Sciences meeting in New Orleans.

Over the last several years it has become apparent that the task of watching time on the seagoing ships and platforms operated by UNOLS institutions with requests by skilled individual investigators for the use of those facilities is becoming critical and requires careful advanced planning. The situation is especially critical with respect to the ALVIN, Deep Submergence Vehicle, operated as a UNOLS National Oceanographic Facility by the Woods Hole Oceanographic Institution. The ALVIN generates many more requests than can be accommodated. With the advent of ATLANTIS II as support ship, operations can be considered throughout the world's . ALVIN is nearly the unique facility for deep, manned undersea research by academic investigators in the . Interest and requests for ALVIN dives are for diverse operations in widespread areas. These factors compound the need for capable advanced planning.

The ALVIN Review Committee (ARC), Robert W. Corell, Chairman, is charged with advanced planning, review of dive requests, and making recommendations for ALVIN schedules and operations. Beginning in December, 1982 the ARC has, annually, solicited statements of interest or intent to use ALVIN two and more years into the future, and has organized workshops for the presentation of that interest. Statements by individual investigators of interest and intent to use ALVIN provide a basis for advanced planning.

Status of the ALVIN Program: At the time of the workshops ALVIN/ATLANTIS II had completed 1985 field investigations and returned to Woods Hole for maintenance, overhaul and modification, lasting until early 1986.

A provisional schedule had been developed for 1986 that would have ALVIN/ATLANTIS II take up work in the North Atlantic, support investigations in the along transit to the Panama Canal, and, in the Pacific, work in the Panama Basin and California Basins, ending the year in San Diego.

For 1987, specific schedule recommendations had not yet been made. Based on Dive Requests already recommended together with additional

1 Dive Requests that might be recommended at the ARC's May, 1986 review, the likely 1987 schedule would support investigations near San Diego, in the vicinity of the Hawaiian Islands and mid-Pacific enroute to the Mariana region. After completing recommended work (late winter/early spring 1987) the ALVIN/ATLANTIS II would return to the eastern Pacific, most likely the Gorda-Juan de Fuca-Oregon margin area. Work there and perhaps in the California basins and farther south would complete operational availability prior to return to Woods Hole.

The Workshops: Workshops were convened by Robert Corell, Chairman, ARC: December 8, 1985 January 12, 1986 8:30 a.m. 8:30 a.m. Cathedral Hill Hotel Fairmont Hotel San Francisco New Orleans

Workshops followed agenda, as presented by the Chairman.

1. Introduction to the Workshop - Robert W. Corell . Welcome .Introduction of ARC Members present and UNOLS Executive Secretary . Review of Agenda .Expectations of P. I. Presentations 2. Review of ALVIN/ATLANTIS II Operations - Barrie Walden 3. New Opportunities and Perspectives for ALVIN/ATLANTIS II - Dan Fornari, L-DGO (S. F. only) 4. Presentations of Interest or Intent by P. I.'s 5. Workshop Summaries and Conclusions.

ARC members, UNOLS staff and funding agency officials at one or both workshops:

ARC Members Agency Personnel

Robert Corell, Chairman E. Finkle, NOAA J. K. Cochran K. Kaulum, ONR J. W. Deming R. Batiza, NSF P. A. Jumars D. Heinrichs, NSF D. E. Karig B. Malfait, NSF W. B. F. Ryan J. McMillan, NSF G. Thompson M. Reeve, NSF G. Weatherly P. Taylor, NSF G. Grice H. Schrader, NSF

UNOLS Office

W. Barbee

Some 50 prospective investigators and others attended one or the other workshop.

2 In addition to reporting on ALVIN program and operational status (as above) Bob Corell described the formation of a special committee to review and provide oversight for the ALVIN program. This committee, chaired by Dirk Frankenberg, will review ALVIN program history and direction, and provide recommendations aimed at maintaining program excellence and high level of accomplishment. They will examine program management, advanced planning and roles of the ALVIN Review Committee. The special committee solicits input from the oceanographic community, especially ALVIN users.

The ARC chairman also described the advanced planning process employed for the ALVIN program. On the basis of notices of intent or interest in using ALVIN (as received in workshops or through other communications) the ARC will make provisional recommendations for ALVIN operations in 1988 and beyond. These recommendations will be publicized in a PROSPECTUS issued in Spring, 1986. The recommendations will also be reflected in the Announcement of Opportunities for Oceanographic Research, DSV ALVIN, for 1988 (The ALVIN Flyer). Dive requests for 1988 will be reviewed and schedules recommended at the ARC meeting in about May, 1987. This planning-schedule recommendation process is cyclic annually.

Barrie Walden, Submersible Program Manager, W.H.O.I., briefly described ALVIN history, 1985 operations and 1985/1986 modifications and overhaul. ALVIN has made 1,663 dives in its 20-year history. During 1985 161, or 10% of the total dives were completed. Dives were to an average depth of over 2,400 meters, averaged 7.4 hours duration, and accommodated an average of two passengers (or scientist/observers) per dive. By discipline, the dives were 88 in geology, 59 biology, 7 chemistry, 5 engineering tests and 2 other. Only 3 1/2 dives were lost during the year, either to weather or mechanical problems. 1985 has been the most impressive year ever for ALVIN operations. A history of ALVIN is in Appendix II.

The overhaul and modification of ALVIN is expected to provide improvements in:

. battery power system and power available, . improved safety and reliability, improved reliability, efficiency and performance of propulsion system improved efficiency and capability of hydraulic system, replacement of prototype data logger with finalized version, and, increased payload.

Details of the overhaul/modification are in Appendix III.

Don Fornari, Lamont-Doherty Geological Observatory, discussed ALVIN/ATLANTIS II, emphasizing their broad capabilities to support oceanographic research. New capabilities realized at ALVIN's last overhaul and modification together with the considerable capabilities of ATLANTIS II for research investigations makes for an impressive research facility. Staffing for both ALVIN and ATLANTIS II are highly competent, and work well together to support scientific investigations.

3 •

SEA BEAM on ATLANTIS II allows both detailed morphological examination and description of areas and navigation based on morphology. (There are still instances, however, when the best available short-and-long-baseline navigation systems are required.) Continued improvements are needed (and are being developed) for data acquisition systems, TV and cameras.

In discussion among recent ALVIN/ATLANTIS II users, the need for more scientific berths was emphasized. (Woods Hole representative described steps then underway to provide additional berths.)

In summary, the ALVIN ATLANTIS II constitutes a nearly unique and highly capable expertly staffed facility for deep submersible and other oceanographic research. The facility is much in demand. Prospective investigators should assure that adequate pre-investigation information is gathered and advance planning is completed so that ALVIN/ATLANTIS II investigators can be conducted effectively and capabilities will be exercised.

Presentations by Prospective Investigators. Chairman Corell outlined the ALVIN Review Committee's expectations for presentations on Notices of Intent:

an outline of central science issue(s), a description of pre-dive investigations and information, . the area and location of dives, . dates proposed, .plans for funding, and .questions from ARC members.

Twenty-three Notices of Intent to use ALVIN were received (18 were presented). A list of Notices is Appendix IV. The notices, along with two from 1983, 84, are summarized by general area: Summary Investigator Number Discipline Number of Dives

**********************************************************************

North Atlantic (Rockall, Trough, Mid Atlantic Ridge, Blake Outer Ridge, W. Florida Escarpment, Hudson Channel)

6 (1983). Hollister, C. 20 Geology/geophysics 10. Rona, P. Geology, geophysics, geochemistry 12. Hecker, B. 18 Biology 13. Levin,. L. 18 Biology 14. Lutz, R. 2 Biology 21. Flood, R. 12 Geology/geophysics 23. Flood, R. 10/yr, 3 yrs Geology/geophysics North Atlantic subtotal 100+

4

(continuation) South Atlantic

22 Flood, R. 15 Geology/geophysics, South Atlantic subtotal 15 biology

Northeast Pacific (Gorda-Juan de Fuca, Cal. borderlands, EEZ) 3a. Hammond, S. 20/yr Geology/geophysics, geochemistry 3b. Normark, W. 16/yr Geology/geophysics 7. Abbott, D. 21 Geology/geophysics 17. Koppel, E. 15 Geology/geophysics 18a,b,c. Cacchione, D. 33 Geology/geophysics 20. Smith, C. 18 Biology Northeast Pacific subtotal 123

East Equatorial Pacific (EPR, E. Pac. , S. American Cont. Shelf, Galapagos, Guaymas)

1. Batiza, R. Geology/geophysics 5. Craig, H. 60 Geochemistry/geology/ geophysics 6. Hessler, R. 35 (2 yrs) Biology 8. Kulm, L. 20 Geology/geophysics 9. Batiza, R. 20 Geochemistry, geology /geophysics 11. Hey, R. 20 Geology/geophysics 16. Grassle, J. F. 19 Biology, geochemistry 19. Childress, J. 30 Biology Western Pacific subtotal 89 Total Notices Received 522+

By discipline, with multi-disciplinary investigations counted multiple times

Geology/geophysics 397+ Geochemistry 163+ Biology 179 *********************************—***********************************

Although there were fewer presentations than in previous years' workshops, most notices of intent represented a corporate structure, either of a coordinated group of investigators or of a major agency program. The total number of dives was comparable to the number in earlier years. Presentations were generally excellent, and provided helpful information to ARC members.

5 ALVIN REVIEW COMMITTEE

Meetings December 8, 1985 and January 12, 1986

The ALVIN Review Committee met following each workshop, to consider modifications to their schedule recommendations for 1986 (from their May, 1985 meeting), to consider operational factors that might affect the 1986 schedule and to hear new information on the potential use of ALVIN at the TITANIC site.

ALVIN Dive Recommendations for 1986. The Committee reviewed three additional dive requests: for comparative microbiological studies at West Florida escarpment sites, for an investigation of hydrothermal processes at the TAG hydrothermal field, mid Atlantic Ridge and for molluscan studies at he West Florida Escarpment site.

The Committee recommended to sponsoring agencies and to ALVIN operators at W.H.O.I.:

The investigation of hydrothermal processes on the Mid Atlantic Ridge be scheduled, provided that certain scheduling, logistical and operational conditions be met.

The investigations for microbiological studies at the West Florida Escarpment site be scheduled, using time (and dives) reserved for such studies in earlier provisional schedules.

Dives be scheduled for molluscan studies at the West Florida Escarpment site to be scheduled, provides that they not impact or displace work recommended earlier.

Potential Use of ALVIN in 1986 of TITANIC SITE. The Committee met in executive session to discuss several issues related to potential use of ALVIN in 1986 at the TITANIC site. The Committee reviewed the ALVIN Review Committee's role in recommending utilization of ALVIN, the chronology of events (and requests) related to potential use of ALVIN at the TITANIC site, and the positions and policies of the Woods Hole Oceanographic Institution (the operators) and of sponsoring agencies concerning potential utilization.

On the basis of their review the ALVIN Review Committee developed a position on TITANIC-related exploration using ALVIN.

Status of ALVIN Overhaul and modifications. Barrie Walden alerted ARC members to the possibility that work on ALVIN would not be completed in time to begin operations in March or tentatively scheduled. (Long lead time on equipment/component acquisition is forcing delays.) If a start delay is necessary, revised schedules will be reviewed by ARC.

ARC Planning and Workshop Conclusions. Committee consensus was that the two workshops provided valuable information, although attendance,

6 especially at New Orleans, was low. The concern is that input might not be broad enough to serve as a credible basis for definite advanced planning.

Further steps in planning for the ALVIN deep submersible science program, 1988 and beyond:

. An additional day will be added to the ARC meeting in May, 1986 to plan for the program in 1988 and beyond.

. A Prospectus for the ALVIN program, 1988 and beyond will be issued in late spring, 1986.

7 Appendix I

UNIVERSITY-NATIONAL OCEANOGRAPHIC LABORATORY SYSTEM

An association of institutions UNOLS Office, WB-15 for the coordination and support School of of university oceanographic facilities University of Washington 31 October 1985 Seattle, Washington 98195 (206) 543-2203

Dear Colleague:

This letter, together with attached announcements and forms to note interest, is to advise you of two UNOLS workshops to generate planning information for ALVIN-ATLANTIS II deep submersible science. The first workshop will be held December 8, 1985, in San Francisco, California, just preceding the AGU Fall Meeting. The second will be held January 12, 1986, in New Orleans, Louisiana, preceding the AGU-ASLO Ocean Sciences Meeting. The workshops will consider and hear presentations on interest in or intent to use ALVIN-ATLANTIS II for submersible science during 1988. The ALVIN Review Committee (ARC) anticipates that potential investigators may wish to attend or participate in one but not both workshops.

BACKGROUND: Over the last several years it has become apparent that the talk of matching time on the seagoing ships and platforms operated by UNOLS institutions with requests for the use of those facilities by skilled individual investigators is becoming critical and requires careful advanced planning. The situation is especially critical with respect to the ALVIN, Deep Submergence Vehicle, operated as a National Oceanographic Facility in UNOLS. The ALVIN generates many more requests for dive time than can be accommodated. With the advent of ATLANTIS II as support ship for ALVIN, operations can be considered throughout the world's oceans. Interest and requests for ALVIN dives are for diverse operations and widespread areas.

The ALVIN Review Committee (ARC), Robert W. Corell, Chairman is charged with advanced planning, review of dive requests and making recommendations for schedules and operations for ALVIN. Over the past few years the ARC has solicited statements of interest or intent to use ALVIN two, three and more years into the future, and has organized workshops for the presentation of that interest. (The first ALVIN-ATLANTIS II Workshop, in December, 1982, garnered planning information for 1984 and 1985, and will affect ALVIN- ATLANTIS II operations into the 1987 operating season.)

The ALVIN Review Committee announces and will host two workshops to generate planning information. The workshops (see and distribute to your co- workers the attached announcements) will be held:

December 8, 1985 8:30 a.m. - 2:30 p.m. Japanese Pavilion Cathedral Hill Hotel San Francisco, California

and

January 12, 1986 8:30 a.m. - 5:00 p.m. Fairmont Hotel New Orleans, Louisiana

1 These Workshops will emphasize planning information for 1988 and beyond. The information considered will be Notifications of Intent or interest in ALVIN Submersible Science. Plans for 1988 and beyond are completely open, although an ALVIN overhaul will be required in mid to late 1988. (A tentative schedule has already been devised for 1986 and operating areas have been indicated for 1987; see below.)

It is requested that notifications submitted by individual investigators provide the information indicated on the attached:

ALVIN Submersible Science Planning Notification of Intent.

At the Workshops, brief presentations are invited from individuals in attendance, within the time available. Written Notifications of Intent will receive equal consideration in the ARC's planning.

Prospective investigators should be aware that these Notifications of Intent are considered by the ARC for planning purposes only. No ALVIN dives will be recommended on the basis of these Notices (although areas of operation or topical research investigations may be recommended by the ARC). Rather the ARC recommends ALVIN-supported investigations for the following year on the basis of ALVIN Dive Requests (submitted in response to appropriate announcements) reviewed at their annual May meeting. Furthermore, prospective investigators are advised that they must seek funding in a timely fashion for their ALVIN-supported investigations--including payment for ALVIN and ATLANTIS II time--from their traditional funding sources, most often NSF, ONR and NOAA. Note that NSF is reluctant to fund field investigations that require support from ALVIN-ATLANTIS II or other sea-going facilities unless proposals are submitted in time for review panels in the summer prior to the year of intended operation.

STATUS OF THE ALVIN PROGRAM. The ALVIN-ATLANTIS II have completed operations for 1985 and returned to Woods Hole for inspection, maintenance and overhaul. During 1985, operations included 150 dives during 157 days on station and 207 days at sea. Only one scheduled dive was not made during 1985. ALVIN- ATLANTIS II personnel and systems work extremely well together, and the ability to conduct ALVIN operations world-wide is realized.

The ARC has recommended a provisional schedule for 1986 (from their 1985 recommendations together with recommendations remaining from their 1984 review) that would have ATLANTIS II-ALVIN take up work in the North Atlantic in about March, support investigations in the Gulf of Mexico along transit to the Panama Canal, and, in the Pacific, work in the Panama Basin and California Basins, ending the year in San Diego.

For 1987, specific schedule recommendations have not yet been developed. Based on individual investigations already recommended together with additional Dive Requests that might be recommended at the ARC's May, 1986 review, the most likely 1987 schedule would support in the the vicinity of the Hawaiian Islands and mid Pacific enroute to the Mariana region. After completing recommended work near the Marianas (late winter/spring 1987) the ATLANTIS II-ALVIN would return to the eastern Pacific, most likely the Gorda- Juan de Fuca - Oregon margin area. Work there and perhaps in the California Basins and farther south would complete operational availability prior to return to Woods Hole.

2 NOTICE OF INTENT TO USE ALVIN: Individual investigators who intend to use ALVIN for deep submergence research during 1988 and beyond are invited to inform the ARC by providing the information requested on the attached form for:

ALVIN Submersible Science Planning Notification of Intent.

There is no firm deadline for submitting these forms, but to be most useful to the ARC those related to the workshop in San Francisco on December 8 should be received by November 22, and those related to the January 12 New Orleans workshop should be received by December 20.

Notices of Intent will be considered for any ocean area in 1988 and beyond.

Investigators who requested 1986-87 ALVIN time early 1985 or who intend to submit requests in early 1986 for dives in 1987 need not submit Notices of Intent for that same work. The purpose of these workshops is to plan for 1988 and beyond.

Sincerely,

Robert W. Corell, Chairman ALVIN Review Committee

3 ANNOUNCEMENT

1--"e

ALVIN R EVIEW COMMITTEE Will Hold an OPEN WORKSHOP

to generate Planning I nform.a.tion on

ALVIN—ATLANTIS II DEEP SUBMERSIBLE SCIENCE

PROPOSED FOR 1988 Et.nci beyon d

TIME: SUNDAY, DECEMBER 8, 1985 8:30 a.m. - 2:30 p.m.

PLACE: JAPANESE PAVILION

CATHEDRAL HILL HOTEL SAN FRANCISCO, CALIFORNIA

Everyone with an interest in the ALVIN program is welcome. The ARC invites concise presentations from investigators who have submitted proposals or letters of intent for the use of ALVIN-ATLANTIS II during 1988 and beyond. For further information contact:

William D. Barbee UNOLS Office, WB-15 School of Oceanography University of Washington Seattle, WA 98195 (Telephone: 206-543-2203)

4 ANNOUNCEMEN T

T he ALVIN EVIEW COMMITTEE Will Hold an OPEN WORKSHOP to t lamming Informat ion

ALVIN—ATLANTIS II DEEP SUBMERSIBLE SCIENCE PROPOSED FOR 1988 and beyo nd

TIME: SUNDAY, JANUARY 12, 1986 9:00 a.m. - 5:00 p.m.

FAIRMONT HOTEL NEW ORLEANS, LOUISIANA

Everyone with an interest in the ALVIN program is welcome. The ARC invites concise presentations from investigators who have submitted proposals or letters of intent for the use of ALVIN-ATLANTIS II during 1988 and beyond. For further information contact:

William D. Barbee UNOLS Office, WB-15 School of Oceanography University of Washington Seattle, WA 98195 (Telephone: 206-543-2203)

5 ALVIN Submersible Science Planning Notification of Intent

Submit to: Chairman, ARC UNOLS Office, WB-15 School of Oceanography University of Washington Seattle, WA 98195

Principal Investigator:

Name: Institution: Title: Names of Other Co-Investigators: Address: Telephone Number:

Principal Program Objectives: (Use additional sheets as necessary):

Areas of Proposed Operations:

Expected Years of Operations (for multi-year proposals):

Anticipated Foreign clearances: (For work within 200 nm of coastal states)

Names and Affiliations of Foreign Collaborators (if any):

Approximate Dates of Proposed Work (Season, year):

Suitable Alternate Dates (Season, year):

Number of Dives Anticipated (by cruise for multi-cruise projects):

Anticipated Size of Scientific Party:

Special Facilities Needs (including SEABEAN on ATLANTIS II):

Special Constraints (time, radio isotope clean ship, etc.):

Proposed Funding Sources:

Do you intend to participate in the December 1985 Workshop? Yes or No in the January 1986 Workshop? Yes or No

Signature: Date:

6 Appendix II

Exploring Our Ocean Frontier:

Deep Submergence Vehicle ALVIN and the Woods Hole Oceanographic Institution 1964 — 1985 21 years of discoveries

1 21 YEARS OF EXPLORING THE OCEANS' DEPTHS usefulness was the infamous case of the mis- sing hydrogen bomb. Dropped in the Mediter- ALVIN's 21 years have been exciting ranean off of in a 1966 plane colli- ones -- it has made scientific discoveries sion, the bomb defied all metnods of detec- that have astounded the scientific com- tion. ALVIN located tne device and then munity and aroused the interest of the relocated it when it slipped during the public. (-hanging in appearance over the recovery process. years (from a rounded to a more angular The project that put ALVIN on a look with a variety of new features -- arms, valid scientific footing was FAMOUS in 1974. cameras, etc.), ALVIN has (in the words of Tne Frencn-American Mid-Ocean Undersea the Star Trek introduction) "boldly gone Study looked at tne Mid-Atlantic Ridge, where no man has gone before." collecting first-ever photos and samples of In its explorations, ALVIN has ex- tnis major spreading center. plored the Mid-Atlantic Ridge, part of the Tne following nighlights from ALVIN's earth's vast underwater mountain range, illustrious career have been provided by Ed glided past other-worldly black smokers at Bland, research associate in the ALVIN group the , and taken samples of and a former pilot with over 200 dives to water and strange life forms at the vent nis credit, including the shortest dive on communities at the Galapagos Islands, East record (4 minutes with an ALVIN associate) Pacific Rise, Florida escarpment (near and until recently the northernmost dive in Tampa) ana at the newly discovered Juan de tne Gulf of Maine by the Bay of Fundy. (The Fuca Ridge vents. recent Juan de Fuca dives were a bit AlAllYs history parallels the space further north. ) program. built by the U.S. Navy in 1964 anG given to tne woods Hole Oceanographic Institution to operate, ALVIN became ocean- ography's "spacecraft" into hostile and un- explored environments. In the early years ALV1N's primary mission was one of pilot training and search and recovery. Science played only a modest role. But just as space flights have become routine with shuttles ferrying astronauts and scientists into space, similarly, ALVIN has made ocean diving a well-used and valuable research tool. With 1,603 dives to its credit, ALVIN is the workhorse of the fleet. According to Barrie Walden, WHOI's Faul Fye, WHOI's fourth director, presided at the ALVIN commissioning on June 5, 1964. Over 500 manager of submersible engineering and people attended the event. operations, "ALVIN has an unlimited useful life since it is constantly undergoing modifications, allowing it to remain abreast of technology. Although originally con- structed in 1964, there is little of the submersible which is 21 years old. In recent years, we have concentrated on data gathering capabilities by adding and improving the sensor suites, incorporating a data logging system and expanding the imaging capability. This winter, we will I . ---1,--ic....,—... replace the propulsion and hydraulic --..t.v . systems wnicn should increase our reli- Al ,.-.... ...:54'- ' 01, ability and improve our power budget." Allyn Vine, a II-101 ocean engineer, was one of ALVIN's The mission that first showed ALV1N's cnief advocates. Mrs. Allyn Vine christens the sub named for ner husbanc.

2

HIGHLIGHTS OF ALVIN'S 21 YEARS

19y4 ALVIN commissioned at Woods Hole on Juue 5. A series of test dives in jacoN Woods Hole Harbor, Buzzards Bay, and Vineyard Sound go progressively - 4 deeper from 12 to 65 feet. ..-14*11"el t,0 1905 R/V LULU constructed from two Navy • 7.-• surplus pontoons. LULU, with ALVIN • I aboard, towed to Port Canaveral, • lorida, for deep trials (unmanned, -Pr 7.DuU ft.; manned, bODU ft.).

19bb An Air B-52 and tanker collided over Spain, dropping an H-bomb in the February 1966 ALVIN and her support Mediterranean off Cartagena, Spain, vans were loaded into an Air Force in January. ALVIN was called. In cargo aircraft at Otis and flown to Rota, Spain. During the next two monts ALVIN searched the ocean floor off of Cartagena for the lost H-bomb, operating from a Navy LSD. Bomb was located for the first time on March 15 but subsequently lost auring attempt to attach lift lines. Bomb slid down-slope to deeper water; tue search continued. Bomb relocated on April 2 by ALVIN and finally re- covered on April 7. ALVIN returned to Woods Hole in LSD for overhaul.

ALVIN is loaaec into an Air Force plane at Otis Air Force Base (Cape Cod) for shipment to Spain where she assisted in the search for a missing H-bomb in 1966.

kt-„...... -_.-,loe ■ ■ wr '"-* ....!7.77---ff;tlit■Alr."*:...z. — - 0,..,--• 4 .. ..—... ,6•i ill/ , -. ' — ..." 1.40 - ... .. • ... ' - ...... 4a10 Z...... - ...- - . . .._... -- .. ■ ■ ■•• ' -...‘ .- - - - . . - 7.. - -.mom.. --- ...-...7- .... • :.- .4 ' "8"Car",...r"% In the early days of A.-IIN/LUL6 operations, ALVIN ..as lowered with support cables from a launching cradle. :Ossft,..- • •—• A._1( fell into the ocean .hen one of toe cables ALvIN joins naval ships assigned to the search. laile: cue to corrosicn. 3

4 LINE OF r°A I AT TACK , 1D 0 *

ALVIN survived a attack during 1967, bring- the strength of the plexiglass windows and their ing the fish back up as a trophy; It was served for ability to withstand direct swordfish strikes. The dinner that evening., Later research projects tested windows survived all tests.

1967 Return to Bahamas for Navy dives. On dive #224, September 24, the Subsequent transit north for biology/ mechanical arm was lost during a geology dives on the Blake Plateau rough recovery. The arm was subse- and off of Cape Charles. During dive quently found and recovered on dive #202 on July 6, ALVIN was attacked by #236 on October 15, reconditioned and a swordfish on the bottom at about reinstalled. 2000 ft. The fish became trapped in ALVIN's skin and was brought back to 1968 Series of dives to observe submerged the surface intact. whales, Navy dives to survey tops of sea mounts for new range, geology and ALVIN completed a long series of biology studies. During launch for dives south of New England in the dive #308 on October 16, ALVIN's Canyons and along the continental cradle support cables failed and slope for geology, biology, thermal ALVIN slid into the water and sank to studies and sound measurements. On the bottom in 1535 meters of water. dive #209, in the Hydrographer Ed Bland, pilot, received some Canyon area, a Navy F6F aircraft was bruises and a sprained ankle. Un- found, photographed, and surveyed. eaten lunches sank too. Poor weather It was later identified as being lost conditions and insufficient recovery overboard from a carrier during prac- equipment prevented recovery during tice runs in 1944 (pilot escaped). the rest of the year.

ALVIN lost her mechanical arm on Dive /224 when a ALVIN sits on the floor of the near handling line became fouled on the catamaran. Hydrographer Canyon In 1,535 meters of water.

4 1969 ALVIN remained on the bottom until In mid-June a permanent bottom sta- Labor Day. The DSV (a sub- tion was established on the contin- mersible from the Reynolds Aluminum ental slope south of Martha's Vine- Company) and the R/V AIZAR assisted yard. The station has been regularly in the recovery, which required re-visited at least once each year. placement of a toggle-bar into the Dr. Ruth Turner was ALVIN's first Latch (ALUMINAUT had to break the female scientist-passenger on dive sail in order to accomplish this). #345 to the station on August 13. MIZAR then raised ALVIN to 50 ft., where divers then wrapped her with Series of dives in the Gulf of Maine lines and nets to prevent loss of any and the Straits of Florida. On dive pieces. ALVIN towed to the Vineyard,. #364 ALVIN was attacked and hit by a where a crane mounted on a barge large blue marlin while on the bottom pulled her out of the water. Over- off of Grand Bahama Island. The fish all, very little structural damage to did some damage to the underwater the submersible (except for sail). lights and sail and much damage to Lunch on board, soggy but edible. himself. Close to freezing and lack of decay at depths led to new 1972 Series of dives at Martha's Vineyard areas of biological and chemical station (biology), Hudson Canyon research at the Institution. (geology and biology), Gulf of Maine (geology), navigational and rock drill experiments.

197i During the spring, a new titanium hull and variable ballast system were installed. After a series of test dives, ALVIN was of- ficially certified to 12,UOU ft.

1974 Project FAMOUS (French-American Mid-Ocean Undersea Study) provided first look at the Mid-Atlantic Ridge along with French CYANA and ARCHIMEDE. National Geographic ran articles on the Project in the May 1975 issue, one by Bob Ballard and the other by Jim Heirtzler.

ALVIN's sail had to be broken In order to insert the toggle bar for lifting. Divers wrapped harnesses around the sub when It reached 50 feet to prevent any loss of parts during the tow back to Martha's Vineyard.

1970 ALVIN undergoes overhaul after her ten-month dunking. R/V KNORR, with ALVIN aboard and LULU In tow, departs for the Azores and Project FPMOUS. There the sub was 1971 ALVIN's first post-loss dive is #309 transferred to LULU for the trip to the dive site some on May 17. 200 miles southwest.

5 1975 Series of dives at Bahamas (biology), Grand Bahama Island (geology), Blake Plateau (biology), NOAA radioactive waste dump survey. Establishment of a new deep (12,000 ft.) station south of Cape Cod.

197o ALVIN certified for 4,000 meters (13,000 ft.). Navy dives near St. Croix and Tongue of the Ocean, biol- ogy on the shelf, slope, and canyons south of Cape Cod, recovery of waste drum from radioactive waste site (RaDWASTE) off of New Jersey.

1977 Transit to Panama and Canal passage (for the first time) and geology work Black smoker at East Pacific Rise with ALVIN's basket in the Galapagos Rift during February In foreground. Photo by Dudley Foster. and March. A major discovery was the abundance of warm water animal life 1978 New titanium frame installed. Con- on and in the immediate proximity of tinuation of RADWASTE and biology the warm water vents. Since no light studies off East Coast. Second trip can penetrate through the deep wa- to the Mid-Atlantic Ridge (plate ters, scientists concluded the animal tectonic geology on the plate spread- chemistry is based on . ing centers.

Return through the Canal for dives in 1979 Transit to Panama followed by biology the Cayman Trough in April (a contin- and geology cruises to the Galapagos uation of geology investigations). in January and February. National During this series the Nicaraguan Geographic bought a dive and filmed earthquake occured and was plainly the highly acclaimed special "Dive felt by ALVIN while submerged. to the Edge of Creation."

In April and May ALVIN made her first trip to the East Pacific Rise at 21 Degrees North. These geology dives revealed hot water vents or "black smokers" spewing forth super- heated water at 350°C (650°F). Many of the same animals found at the Galapagos vents are found at this location off of Mexico.

Further dives near San Diego, Tamayo , East Pacific Rise, and Galapagos from June through December.

196U ALVIN completes 1,000th dive at the Galapagos Rift in January.

ALVIN returns to the Mid-Atlantic This portrait of ALVIN at the Galapagos Rift was taken Ridge and Kane and Oceanographer with a remote-controlled 16 mm motion-picture camera. ALVIN placed the equipment on a stable surface, backed Fracture Zones during June and July up, and then made a grand entrance for the camera. for geology studies. Additional Photo by Emery Kristoff and Alvin Chandler, 0 National dives along East Coast, Bahamas, Geographic Society. St. Croix. BBC films special.

6 mother ship and tender for ALVIN. These extensive modifications were conducted during A-II's regular mid- life refit. A large A-frame was added to the stern for ALVIN launch and recovery.

19d4 ALVIN and ATLANTIS II departed Woods Hole in January for Charleston, S.C. Final preparations and harbor tests include first actual ALVIN launch and recovery using A-frame, followed by geology cruise to tne Blake Plateau. Several rough water recoveries were Walter i.ronklte enters ALVIN on Uive 1121i which was made at sea, proving the A-frame filmed for his Universe television series. system could work under less than ideal conditions. 1981 Extensive work in St. Croix area. Return to Galapagos and East Pacific March geology/biology cruise out of Rise. Dives in the Panama Basin. Tampa on the West Florida Escarpment in the Gulf of Mexico discovered a 1982 Dives at East Pacific Rise and series of bottom cold water vent Guaymas Basin. Walter Cronkite made communities containing animals very dive #1211 to the hot vents. Dives similar in appearance to those in at the Panama Basin followed by long the Pacific. transit to the Mid-Atlantic Ridge. Returned to Woods Hole in August and Transit to the Pacific for further completed local studies for biology, dives in the Panama Basin and the geology, and corrosion. Dives in the East Pacific Rise. In mid-April Florida Straits and the Providence ANGUS discovered a new vent field tc Channels. the south of the dive area which A-II and ALVIN visited. 1963 A major ALVIN overhaul took place at Woods Hole including design of a new frame to allow for a single-point Dives at the Juan de Fuca and Gorda lift system. During the same time, Ridges off of Oregon/Washington in work on R/V ATLANTIS II continued, July reveal black smokers in this preparing her for her new role as northern spreading center.

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7 198) - Mucn of ALVIN's work during 1985 focused around the vent communities at the Guaymas Basin in the Gulf of California, the East Pacific Rise off of Mexico, and near the Galapagos Islands. Successful tests were made of new deep ocean sampling and photography equipment designed to be con- 1070 trolled from within ALVIN. Since 19b4, the vehicle has • traveled vertically (up and down) a total of 3,535 miles. The final mouths of 1985 will be dedicated to maintenance and upgrade of the vehicle in Woods Hole.

ALVIN DIVE STATISTICS FOR 1985

TOTAL DIVES 161 Total depth 390,746 meters 1,269,925 feet Average depth per dive 2,426.99 meters 7,887.72 feet Total time submerged 1,190.51 hours

Average time submerged per dive 7.39 hours

Total passengers 296

Dives for geology 88 Dives for biology 59 Dives for chemistry 7 Dives for engineering tests 5 Dives for equipment recovery 1 Dives for photography 1

ALVIN DIVE STATISTICS FOR 1964 - 1985

TOTAL DIVES 1,663 Total depth 2,871,676 meters 9,332,947 feet Average depth per dive 1,726.80 meters 5,612.11 feet Total time submerged 10,097.51 hours

Average time submerged per dive 6.07 hours

Total passengers 2,754

Dives for geology 564 Dives for biology 490 Dives for test & training 176 Dives for inspection, survey, recovery 120 Dives for VIP & scientist orientation 68 Dives for engineering & equipment tests 32 Dives for chemistry & geochemistry 75 Dives for geophysics & vent dynamics 29 Dives for U.S. Navy tests & survey 14 Dives for miscellaneous oceanography 73 Dives for dump site survey & recovery 13 Dives for public relations purposes 9

8 Appendix III

ALVIN MODIFICATIONS -85/86 OVERHAUL

The ALVIN submersible is presently undergoing an overhaul which includes major modifications intended to improve capability and reliability, and to allow a longer period of time between major overhauls. Initial planning was centered on correcting a problem involving the two main electric motors which has plagued operations since conversion to a 4000m depth capability in 1973. These specially constructed brush type DC motors mounted in an oil filled, pressure compensated box are used to drive hydraulic pumps which in turn provide power to the main and side propellers, rudder ram, mercury trim system and one manipulator. At depths between 3000 and 4000 meters, the increased viscosity of the compensation oil frequently cased excessive brush arcing, destroying the motor's commutator. Repairs have been both costly and time consuming.

Various exist but the best appeared to be replacement of the entire hydraulic propulsion system with thrusters directly driven by brushless DC motors. This approach would improve system efficiency and greatly reduce complexity thereby increasing reliability. Unfortunately, although fractional horsepower motors and controllers of this type were readily available, the multi-horsepower size required for ALVIN was not.

After months of discussions with vendors and experimenting with prototypes, a decision was made to change the primary DC voltage used on the in order to ease the motor procurement problem. This has advantages in itself but most importantly, it allowed selection of a motor vendor and therefore commitment to the propulsion system change.

As overhaul planning and engineering proceeded, it became obvious that modifications beyond those of the power and propulsion systems could be desirable to amplify the benefits of the required changes. As a result, the total replacement of the submersible's two primary systems will be accompanied by major improvements in many other areas. A brief summary follows:

BATTERY SYSTEMS

Replace batteries, racks, boxes, guides, release mechanisms and power control systems. Convert from 30/60 VDC to 30/120 VDC.

EXPECTED RESULTS:

Capacity Improvement - Double existing propulsion and lighting power. Provide additional 30V system for special applications.

Improved Safety - Increased release system reliability. Double battery systems droppable .

Increased reliability - Additional battery monitoring sensors. Elimination of series/parallel charging requirement. PROPULSION SYSTEM

Replace stern and lift propellers plus associated hydraulic system (main propulsion box) with six thrusters directly driven by 3HP brushless DC motors.

EXPECTED RESULTS:

Increased Reliability

Increased Efficiency

Increased Performance Speed Increase - Horizontal 1.4 Kts to 1.9 Kts Vertical 0.6 Kts to 1.3 Kts Lateral None to 0.5 Kts

HYDRAULIC SYSTEMS

Replace with simpler version using brushless DC motor driving a load sensing pump.

Total capacity - 1500 - 2500 PSI 3 - 4 GPM

EXPECTED RESULTS:

Increased Efficiency

Improved Capability - Provides 5 sets of hydraulic power connections at the science basket.

CABLING/WIRING SYSTEMS

Provide two forebody to afterbody penetrator cables (with explosive cutter) which bypasses the hull disconnect in order to decrease resistance and electrical noise problems in selected release, monitoring and instrumentation circuits.

Rewire personnel sphere to decrease electrical noise problems in data systems and provide clean power circuits.

COMPENSATION SYSTEMS

Redesign to improve intersystem separation, provide capacity monitoring and insure positive oil pressure on all compensated boxes.

DATA LOGGING/DISPLAY SYSTEM

Replace prototype data logger with finalized version which will incorporate self-diagnostics. Hardware will be configured for system replacement rather than board or component replacement for trouble shooting and/or repair.

PAYLOAD

Double existing normal payload to provide approximately 1,000 pounds for science basket, sphere equipment and reserve . NOTE: Science basket payload will not change since foundations cannot be modified at this time.

Provide an additional 1,000 pound payload capacity for special operations.

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