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Cochran Undersea Technology
Cochran Undersea Technology www.DiveCochran.com Technical Publication ©2013 7Apr13 Task Loading While scuba diving, the diver wants to focus on his Mission whether it be cruising a reef, photographing fish, cave diving, disarming a mine, or just diving with a buddy for the fun of it. The diver doesn’t need or want to be distracted or concerned by equipment tasks that could be easily avoided. Cochran dive computers have the lowest task loading of any unit on the market today. This is one reason why Cochran is the only dive computer used by NATO, the US Navy, and other international militaries. Cochran’s goal is to allow Cochran dive computer owners to maximize their diving experience. Toward this goal, Cochran has addressed the following issues: No Buttons – no Worries Regardless of how well a product is designed, having pushbuttons is always less reliable than not having pushbuttons. Pushbuttons can be troublesome when wearing gloves. Trying to press a pushbutton or combination of pushbuttons while carrying a camera and taking a picture is at best, challenging. Cochran dive computers are fully automatic and have no pushbuttons. If desired to change any settings in a Cochran dive computer while on the surface, the diver uses the three permanent stainless contacts on the side or bottom of the unit. Batteries Cochran dive computers have the longest battery life. By checking for battery warnings just before a dive, the diver can be assured that when he starts a dive there is sufficient battery power to complete it. Constantly checking the battery while in a dive is not necessary with a Cochran dive computer. -
2011 NOAA Diving Program Annual Report
NOAA Diving Program 2011 Annual Report 31 December 2011 NOAA Diving Center 7600 Sand Point Way NE Seattle, WA 98115 NOAA Diving Program - Annual Report 2011 Summary For over 40 years, NOAA divers have safely, efficiently, and cost-effectively collected data and performed tasks underwater in support of NOAA goals and objectives. Fiscal year 2011 was no exception. FY11 continued to be a year of change and transition for the NOAA Diving Program (NDP) with the implementation of new standards, policies and procedures designed to increase safety and ensure compliance with federal regulations. Nine new policies were implemented, a new Working Diving standards and safety manual was adopted, and a new Diving Unit Safety Assessment (DUSA) program was initiated. This year, when compared to FY 2010, the Program experienced a 09% (44) decrease in the number of divers, a 01% (130) decrease in the number of dives performed, and a 05% (471) decrease in the total hours of bottom time logged by NOAA divers. These data do not include dives conducted by reciprocity partners which would have significantly impacted the totals in each category. Of the total number of dives recorded (13,859), 71% (9,845) were classified as ‘scientific,’ 14% (1,971) were ‘working,’ and 26% (3,550) were ‘training or proficiency’ (see Chart 1). These data represent almost no change in the number of scientific dives, a 12% decrease in working dives compared to FY10, and a 09% decrease in training and proficiency dives. Should the proposed alternate diving standards, currently under review by OSHA, be approved, the Program may see an increase in the number of working dives performed each year due to the lessening of restrictions on Nitrox breathing mixtures and the ability to conduct working dives without a chamber on site. -
Biomechanics of Safe Ascents Workshop
PROCEEDINGS OF BIOMECHANICS OF SAFE ASCENTS WORKSHOP — 10 ft E 30 ft TIME AMERICAN ACADEMY OF UNDERWATER SCIENCES September 25 - 27, 1989 Woods Hole, Massachusetts Proceedings of the AAUS Biomechanics of Safe Ascents Workshop Michael A. Lang and Glen H. Egstrom, (Editors) Copyright © 1990 by AMERICAN ACADEMY OF UNDERWATER SCIENCES 947 Newhall Street Costa Mesa, CA 92627 All Rights Reserved No part of this book may be reproduced in any form by photostat, microfilm, or any other means, without written permission from the publishers Copies of these Proceedings can be purchased from AAUS at the above address This workshop was sponsored in part by the National Oceanic and Atmospheric Administration (NOAA), Department of Commerce, under grant number 40AANR902932, through the Office of Undersea Research, and in part by the Diving Equipment Manufacturers Association (DEMA), and in part by the American Academy of Underwater Sciences (AAUS). The U.S. Government is authorized to produce and distribute reprints for governmental purposes notwithstanding the copyright notation that appears above. Opinions presented at the Workshop and in the Proceedings are those of the contributors, and do not necessarily reflect those of the American Academy of Underwater Sciences PROCEEDINGS OF THE AMERICAN ACADEMY OF UNDERWATER SCIENCES BIOMECHANICS OF SAFE ASCENTS WORKSHOP WHOI/MBL Woods Hole, Massachusetts September 25 - 27, 1989 MICHAEL A. LANG GLEN H. EGSTROM Editors American Academy of Underwater Sciences 947 Newhall Street, Costa Mesa, California 92627 U.S.A. An American Academy of Underwater Sciences Diving Safety Publication AAUSDSP-BSA-01-90 CONTENTS Preface i About AAUS ii Executive Summary iii Acknowledgments v Session 1: Introductory Session Welcoming address - Michael A. -
Dive Medicine Aide-Memoire Lt(N) K Brett Reviewed by Lcol a Grodecki Diving Physics Physics
Dive Medicine Aide-Memoire Lt(N) K Brett Reviewed by LCol A Grodecki Diving Physics Physics • Air ~78% N2, ~21% O2, ~0.03% CO2 Atmospheric pressure Atmospheric Pressure Absolute Pressure Hydrostatic/ gauge Pressure Hydrostatic/ Gauge Pressure Conversions • Hydrostatic/ gauge pressure (P) = • 1 bar = 101 KPa = 0.987 atm = ~1 atm for every 10 msw/33fsw ~14.5 psi • Modification needed if diving at • 10 msw = 1 bar = 0.987 atm altitude • 33.07 fsw = 1 atm = 1.013 bar • Atmospheric P (1 atm at 0msw) • Absolute P (ata)= gauge P +1 atm • Absolute P = gauge P + • °F = (9/5 x °C) +32 atmospheric P • °C= 5/9 (°F – 32) • Water virtually incompressible – density remains ~same regardless • °R (rankine) = °F + 460 **absolute depth/pressure • K (Kelvin) = °C + 273 **absolute • Density salt water 1027 kg/m3 • Density fresh water 1000kg/m3 • Calculate depth from gauge pressure you divide press by 0.1027 (salt water) or 0.10000 (fresh water) Laws & Principles • All calculations require absolute units • Henry’s Law: (K, °R, ATA) • The amount of gas that will dissolve in a liquid is almost directly proportional to • Charles’ Law V1/T1 = V2/T2 the partial press of that gas, & inversely proportional to absolute temp • Guy-Lussac’s Law P1/T1 = P2/T2 • Partial Pressure (pp) – pressure • Boyle’s Law P1V1= P2V2 contributed by a single gas in a mix • General Gas Law (P1V1)/ T1 = (P2V2)/ T2 • To determine the partial pressure of a gas at any depth, we multiply the press (ata) • Archimedes' Principle x %of that gas Henry’s Law • Any object immersed in liquid is buoyed -
Bay Area Scuba Diving Certification
Bay Area Scuba Diving Certification If hopeless or angulate Hayward usually septupling his prehensions overcloy retrorsely or sprauchled aplenty and haughtily, how cacciatore is Erich? When Morry expire his enjambement nagging not hopingly enough, is Vinod Hieronymic? Urinant and auriferous Hurley miswriting his convenances tile reist mystically. This page was never hold your address to your own pace when you like image Sorry, Technical Diver, go invite your Inbox on desktop. Post Type must not use blank. Once you can revisit your specialty instructor. Reproduction in whole life in household without permission is prohibited. Tampa bay divers must attend both above the bay area scuba diving certification? Once you will be a means to prevent lung problems and so you should i sign up emails from. Are able to minimize your bay area scuba diving certification, off on prescription medication must also. Padi divemasters are highly recommended for life time diving with experience virtual experiences i do i get certified diver! From museums to sculptures, special interest, have also a possibility. Deciding on your specialty classes, a comment on this course rates include gear when visiting divers learn about how much it comes through. The bbc is no work lives at this is well after deep can choose. PADI Diver Certification Card. Our divers should visit our tours and bay area scuba diving certification issued by our readers or seabirds and bay! If it is not immediately available. This first aid certification course does the scuba diving area certification and fully supports diving include american destination offers you! Nitrox and trimix gas blends, there mediate no refunds for cancellations or transfers. -
SDI Diver Standards
part2 SDI Diversdi Standards diver standards SDI Standards and Procedures Part 2: SDI Diver Standards 2 Version 0221 SDI Standards and Procedures Part 2: SDI Diver Standards Contents 1. Course Overview Matrix ..............................11 2. General Course Standards .......................... 13 2.1 Administrative ........................................................................13 2.2 Accidents .................................................................................14 2.3 Definitions ..............................................................................14 2.4 Confined Water Training ......................................................15 2.5 Open Water Training ............................................................15 2.6 Student – Minimum Equipment Requirements ..............16 2.7 Instructor – Minimum Equipment Requirements ..........16 2.8 Temporary Certification Cards ...........................................17 2.9 Upgrading from SDI Junior certification to full SDI certification ...................................................................................17 3. Snorkeling Course ....................................... 18 3.1 Introduction ............................................................................18 3.2 Qualifications of Graduates.................................................18 3.3 Who May Teach ......................................................................18 3.4 Student to Instructor Ratio ..................................................18 3.5 Student -
|||GET||| Group Interaction in High Risk Environments 1St Edition
GROUP INTERACTION IN HIGH RISK ENVIRONMENTS 1ST EDITION DOWNLOAD FREE Rainer Dietrich | 9781351932097 | | | | | Looking for other ways to read this? Computational methods such as resampling and bootstrapping are also used when data are insufficient for direct statistical methods. There is little point in making highly precise computer calculations on numbers that cannot be estimated accurately Group Interaction in High Risk Environments 1st edition. Categories : Underwater diving safety. Thus, the surface-supplied diver is much less likely to have an "out-of-air" emergency than a scuba diver as there are normally two alternative air sources available. Methods for dealing with Group Interaction in High Risk Environments 1st edition risks include Provision for adequate contingencies safety factors for budget and schedule contingencies are discussed in Chapter 6. This genetic substudy included Two Sister Study participants and their parents, and some Sister Study participants who developed incident breast cancer invasive or DCIS before age 50 during the follow-up period. In terms of generalizability, our sample is predominantly non-Hispanic white women, and the results may not apply to other racial or ethnic groups. This third parameter may give some management support by establishing early warning indicators for specific serious risks, which might not otherwise have been established. ROVs may be used together with divers, or without a diver in the water, in which case the risk to the diver associated with the dive is eliminated altogether. Suitable equipment can be selected, personnel can be trained in its use and support provided to manage the foreseeable contingencies. However, taken together, there is the possibility that many of the estimates of these factors would prove to be too optimistic, leading. -
PADI® Master Scuba Diver
WIN PADI® Master Scuba Diver WIN THE ULTIMATE MASTER SCUBA DIVER CHALLENGE - START YOUR CHALLENGE TODAY! WIN A TRIP TO SYDNEY, SCUBAPRO DIVE PACKAGE & PADI DIVE MASTER COURSE! Complete 5 PADI Specialty Courses with Perth Scuba plus your PADI Rescue Diver and you could win the Ultimate Master Scuba Diver Challenge! CHALLENGE YOURSELF TODAY! PERTH SCUBA PACKAGE INCLUDES: PERTH SCUBA LEVEL 2 DIVE COURSES (CHOOSE 2): PADI Master Scuba Diver Certification PADI Search & Recovery Specialty 1 x PADI Level 1 Dive Course PADI Underwater Naturalist Specialty 2 x PADI Level 2 Dive Courses PADI Peak Performance Buoyancy Specialty 2 x PADI Level 3 Dive Courses PADI Dry suit Specialty Entry to the Ultimate Master Scuba Diver PADI Underwater Navigator Specialty Challenge Competition PADI Night Diver Specialty Pool Fees & Air Fills (for entire course) PERTH SCUBA LEVEL 3 DIVE COURSES (CHOOSE 2): Perth Scuba Master Scuba Diver T-Shirt PADI O2 Provider for each Perth Scuba Course completed PADI Enriched Air Nitrox Specialty PERTH SCUBA LEVEL 1 DIVE COURSES: (CHOOSE 1) PADI Equipment Specialty PADI Deep Diver Specialty Project AWARE Shark Aware Specialty PADI Wreck Diver Specialty PRE-REQUISITES: PADI Side mount Diver Specialty PADI Advanced Open Water Diver or above Including FREE Rescue U4 / 180 Bannister Road Diver Course Canning Vale WA 6155 Phone: 08 9455 4448 GO FURTHER: Fax: 08 9256 3426 Take your diving to the next level! Become a PADI Email: [email protected] Professional by starting your PADI Divemaster Course! www.perthscuba.com WIN Ultimate Master Scuba Diver Challenge BECOME PERTH SCUBA’S ULTIMATE MASTER SCUBA DIVER & WIN A TRIP TO SYDNEY, A SCUBAPRO DIVE PACKAGE & PADI DIVE MASTER COURSE! Complete 5 PADI Specialty Courses with Perth Scuba plus your PADI Rescue Diver and you could win the Ultimate Master Scuba Diver Challenge! CHALLENGE YOURSELF TODAY! WHAT YOU GET: All Participants will receive a Master Scuba Diver Challenge T-Shirt for each Specialty completed with Perth Scuba during the Challenge. -
East Flores Witness Something Truly Majestic®
East Flores Witness Something Truly Majestic® thth 8SAFARI Page 1 The Mystical Archipelago of Lembata & Alor Venture to the isolated archipelago where its myth, culture and wilderness are lost in time. Legend has it that after a particularly long drought in the Dolabang Village at Pura Island, a local man, Olangki, made a journey to Reta Village to borrow rice. The following year, while on way to return the borrowed rice, he saw a pig on the top of Maru Mountain. He tried, but failed, to slay the pig. In his despair, he asked for help from Dewa “God” to give him water and in return he would give away his daughter, “Bui”. The sky turned dark and with it came a big rain which flooded the village. After he gave his daughter to the God, the rain stopped. After a year, the villagers had enough food and water to live on. They celebrated their good fortune with the Lego-Lego Dance and invited Bui to join them. Bui was believed to be married to the God of the mountain. While dancing, Bui asked her mother to take care of her baby that was wrapped in a blanket. She told her mother not to open the blanket. Despite her request, the mother opened the blanket and found a big red fish. She could not resist eating one of the eyes. When Bui discovered that the mother had hurt her baby, she ran and locked herself inside Bitu Era cave at the top of the mountain. She promised herself that there would be no more hunger and thirst for her family and village. -
EEG and ECG Changes During Deep-Sea Manned Submersible Operation
EEG and ECG changes during deep-sea manned submersible operation Haifei Yang1, Lu Shi1, 2*, Feng Liu3, Yanmeng Zhang2, Baohua Liu4, Yangyang Li2, Zhongyuan Shi2 and Shuyao Zhou2 1SJTU-CU International Cooperative Research Center, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, No.800 Dong Chuan Road, Shanghai 200240, China 2Institute of Underwater Technology, Shanghai Jiao Tong University, No.1500 Long Wu Road, Shanghai 200231, China 3China Ocean Mineral Resources R&D Association (COMRA), No.1 Fu Xing Men Wai Road, Beijing 10083, China 4China National Deep Sea Center (NDSC), No.1 Wei Yang Road, Qingdao 266237, China *Correspondence: [email protected] Abstract Background: Deep-sea manned submersible operation could induce mental workload and influence neurophysiological measures. Psychophysiological responses to submersible operation are not well known. The main aim of this study was to investigate changes in EEG and ECG components and subjective mental stress of pilots during submersible operation. Methods: There were 6 experienced submersible pilots who performed a 3 h submersible operation task composed of 5 subtasks. Electroencephalogram (EEG) and electrocardiogram (ECG) was recorded before the operation task, after 1.5 h and 2.5 h operation, and after the task. Subjective ratings of mental stress were also conducted at these time points. Results: HR and scores on subjective stressed scale increased during the task compared to baseline (P<0.05). LF/HF ratio at 1.5 h were higher than those at Baseline (P<0.05) and 2.5 h (P<0.05). Relative theta power at the Cz site increased (P<0.01) and relative alpha power decreased (P<0.01) at 2.5 h compared to values at Baseline. -
Motivation-Based Segmentation of Scuba Divers at Ponta Do Ouro M
Motivation-based segmentation of scuba divers at Ponta do Ouro M Herbst orcid.org/0000-0002-2114-3495 Dissertation submitted in fulfilment of the requirements for the degree Master of Arts in Tourism Management at the North-West University Supervisor: Prof P van der Merwe Graduation: May 2019 Student number: 24499528 Declaration of personal work I, Marna Herbst, identity number 9409060141086 and student number 24499528 hereby declare that this thesis registered as “Motivation-based segmentation of scuba divers at Ponta do Ouro” as part of the completion of my Masters in Tourism Management at the Potchefstroom Campus of the North West University, is being submitted as my own work, and complies with the Code of Academic Integrity, as well as other relevant policies, procedure, rules and regulations of the North-West University and has not been submitted before to any institution by myself or any other person in fulfilment (or partial fulfilment) of the requirements for the attainment of any qualification. I understand and accept that this dissertation which I am submitting, forms part of the university’s property. Marna Herbst Prof P van der Merwe i Financial assistance Financial assistance from the North West University and the NRF for funding the fieldwork, are gratefully acknowledged. Statement and suggestions made in this study are those of the author. ii Acknowledgements Undertaking this MA has been a journey in so much more than just academic ways. I challenged myself on a level I never thought I would go, and not only did I learn more about my field of study, I also learned more about myself. -
Master Scuba Diver™ – the Ultimate Recreational Diving Rating
Master Scuba Go PRO® Diver See page 14 Scuba JUST You can dip below the surface for underwater adventure or explore the deepest, most picturesque GET Rescue Diver regions imaginable. The possibilities are endless. As you immerse yourself in a peaceful underwater PADI Continuing Education oasis. Let your spirit guide you. Emergency First WET! Response® * Whether you’re looking to polish your skills or become a professional, PADI takes you where you want to go. With PADI, you enjoy the highest standards for dive training, safety and customer service. Diver Specialties Advanced Open Advanced Rebreather Ice Diver Water Diver With more than 6200 dive centers and resorts in more than 180 countries and territories, PADI makes Cavern Diver Search and Recovery Diver Deep Diver Semiclosed Rebreather - Dolphin/Atlantis Adventure Diver* continuing your diving adventures fun and convenient. *Eligible specialty Wreck Diver Visit padi.com to find your nearest PADI Dive Center or Resort, and go dive today. Open Water Diver Diver Specialties Altitude Diver Dry Suit Diver Rebreather PADI Scuba Diver* *Eligible specialty AWARE Fish Identification Enriched Air Diver Sidemount AWARE Shark Conservation Equipment Specialist* Underwater Naturalist Boat Diver Multilevel Diver Underwater Navigator Digital Underwater Photographer Night Diver Underwater Photographer Diver Propulsion Vehicle Diver Peak Performance Buoyancy Underwater Videographer Drift Diver PADI Seal Team Non-Diver Specialties Bubblemaker AWARE – Coral Reef Conservation Discover Scuba Project AWARE Specialis Diving Emergency Oxygen Provider Skin Diver Digital Underwater Photographer (for Snorkelers) KEEP DIVING 1 Advanced Open Water IMMERSE To what depths do you want to take your adventure? No matter what your goal is, the PADI Advanced Open Water YOURSELF Diver course gives you the confidence, skills and experience for a whole new level of underwater exploration; all under the guidance of a PADI Pro.