DOCSLIB.ORG

VERI7'iewof RIVER-FLOODPLAIN ECOLOGY in Fue UPPER MISSISSIPPI RIVER BASIN

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
VERI7'iewof RIVER-FLOODPLAIN ECOLOGY in Fue UPPER MISSISSIPPI RIVER BASIN PB2002-102489 1111111111111111111111111111111111 $€IENTIFIC ASSESSMENT AND STRATEGY TEAM ~VERI7'IEW OF RIVER-FLOODPLAIN ECOLOGY IN fUE UPPER MISSISSIPPI RIVER BASIN David L. Galat and Ann G. Frazier, Editors !1:r~'()IQ(!'pir(utl Maj"Of(I(!ment into the 21st Century REPRODUCED BY; NTIS. U.S. Department of Commerce -~-­ NatIOnal !echnicallnformation Service Springfield, Virginia 22161 The study region of the Scientific Assessment and Strategy Team is the Upper Mississippi River Basin in the United States, as shown by the shaded region in the figure above. Cover art: The shaded area of the map shows the extent of the Upper Mississippi River Basin in the United States and selected large rivers. The drawings depict, clockwise from upper left, raccoon (Procyon lotor) feeding on a crayfish, mayfly nymph (Hexigena sp.), sauger (Stizostedion canadense), and the federally listed least tern (Sterna antillarum) holding a minnow. All are important species within the Upper Mississippi River Basin floodplain ecosystem. Drawing of the least tern is by Julie Zickefoose from u.s. Fish and Wildlife Service, 1990, Recovery plan for the interior population of the least tern (Sterna antillarum): Twin Cities, Minn., U.S. Fish and Wildlife Service, 90 p. Other drawings are by Carl Burger from Walden, H.T., 1964, Familiar freshwater fishes of America, 2d ed.: New York, Harper and Row, 324 p.; Burger's drawings are reproduced with the permis­ sion of HarperCollins. SCIENTIFIC ASSESSMENT AND STRATEGY TEAM OVERVIEW OF RIVER-FLOODPLAIN ECOLOGY IN THE UPPER MISSISSIPPI RIVER BASIN David L. Galat and Ann G. Frazier, Editors Volume 3 of Science for Floodplain Management into the 27st Century John A. Kelmelis, Editor Recommended fonn for citing chapters in this volume is as follows: Authors of chapter, 1996, Title of chapter, in Galat, D.L., and Frazier, A.G., eds., Overview of river­ floodplain ecology in the Upper Mississippi River Basin, v. 3 ofKelmelis, J.A., ed., Science for floodplain management into the 21st century: Washington, D.C., U.S. Government Printing Office, p. x-yo The views and conclusions contained in this document are those of the authors and do not necessarily reflect the opinions of the Scientific Assessment and Strategy Team. Any use of trade, product, or finn names in this document is for descriptive purposes only and does not imply endorsement by the U.S. Government. Published in 1996 For sale by U.S. Govemm<;nt Printing Office Superintendent of Documents, Mail Stop: SSOP, Washington, DC 20402-9328 Library of Congress Cataloging in Publication Data ISBN 95-150688 PREFACE The Scientific Assessment and Strategy Team (SAST) There are five volumes in this report, which is entitled was established by a directive of the White House on Science for Floodplain Management into the 21 st Century. November 24, 1993, in response to the major flooding in the The volume names and contents have changed slightly since Midwestern United States in 1993. The SAST was charged the publication of Volume 1 and are as follows: with providing scientific advice and assistance to officials Volume 1. Preliminary Report ofthe Scientific Assess­ responsible for making decisions with respect to flood mentandStrategy Team documents the general recovery in the Upper Mississippi River Basin, and also scientific background and specific analyses pro­ developing and providing information to support the deci­ vided to the FMRC for use in deliberations to sionmaking process regarding both nonstructural and struc­ produce their Report ofthe Interagency Flood­ tural approaches to river basin management. The team plain Management Review Committee to the consisted of senior scientists and engineers from the U.S. Administration Floodplain Management Task Geological Survey, Federal Emergency Management Force. (The Preliminary Report is also consid­ Agency, Natural Resources Conservation Service, U.S. ered Part V of the FMRC report.) It provides an Army Corps of Engineers, U.S. Fish and Wildlife Service, overall summary ofSAST's findings and makes National Biological Service, Environmental Protection recommendations for future analysis and data Agency, and National Weather Service. When the inter­ needs. agency Floodplain Management Review Committee (FMRC) formed on January 10, 1994, the SAST became a Volume 2. Upper Mississippi River Basin Data Base and part of the FMRC for the duration of the FMRC activity. In Clearinghouse provides a detailed description June 1994, when the FMRC disbanded, the SAST continued of the data and data base for users. This conducting scientific analyses and building a data base of includes samples of metadata, descriptions of scientific information to support the management of the the strengths and weaknesses of the data, acqui­ Upper Mississippi River Basin. sition methods, data maintenance plans, and In order to meet its objectives, the SAST met at the data distribution methods. Earth Resources Observation Systems (EROS) Data Center Volume 3. Overview ofRiver-Floodplain Ecology in the in Sioux Falls, South Dakota, where it conducted 10 weeks Upper Mississippi RiverBasin contains a series of intensive activity in early 1994. There the team began of papers commissioned by the SAST to pro­ gathering data related to the 1993 floods and the Upper Mis­ vide background information about the ecology sissippi River Basin in general, analyzed the effects of the of the Mississippi and Missouri Rivers. These floods, and started examining issues pertaining to floodplain papers are being published to ensure that this and river basin management. Experts in ecology, hydrology, publicly funded analysis is readily available to hydraulics, geomorphology, and many other fields were the public. called upon to provide the team with information and data. Volume 4. Selected Studies on Natural andHuman Fac­ The preliminary results of this effort were provided to the tors Related to Flood Management in the FMRC for inclusion in their report and were also published Upper Mississippi RiverBasin contains a series in the SAST Preliminary Report. After March 1994, the of papers commissioned by the SAST to pro­ team members returned to their home offices and worked as vide background information about the hydrol­ a distributed group in order to finish research, to develop a ogy and hydraulics of the Mississippi and data clearinghouse for the SAST data base, and to document Missouri Rivers. These papers are being pub­ the significant amount of information provided to or devel­ lished to ensure that this publicly funded analy­ oped by the team. The information is documented in this sis is readily available to the public. multivolume report so that it will be available to resource managers and researchers to improve the understanding and Volume 5. Proceedings ofthe Scientific Assessment and management of river basins and floodplains. This report Strategy Team Workshop on Hydrology, Ecol­ reflects the enormous efforts of the team and of many other ogy, andHydraulics contains papers presented people who contributed to the team's activities. As a series, by workshop speakers and selected discussions the report volumes contain a broad overview of the hydrol­ by the workshop participants. ogy, ecology, physiography, and geomorphology of the Additional reports and scientific papers documenting Upper Mississippi River Basin and its floodplains, as well the results of SAST analyses currently in progress will be as data on the impacts of the 1993 floods and implications published in the scientific literature as they become for future river basin and floodplain management. available. iii ACKNOWLEDGMENTS The editors thank the following individuals and their agencies for reviewing one or more of the chapters herein. Their suggestions greatly enhanced the overall content ofthis document. Bill A. Bertrand, Mississippi River Program, Illinois Department of Conservation Jerry Brabander, Missouri Ecological Services Office, U.S. Fish and Wildlife Service Al Buchanan, Environmental Services, Fish and Wildlife Research Center, Missouri Department ofConservation Jane Bush, Environmental Services, Fish and Wildlife Research Center, Missouri Department ofConservation Gordon Farabee, Fisheries Division, Missouri Department of Conservation Steve Havera, Stephen A. Forbes Biological Station and River Research Laboratory, Illinois Natural History Survey Dr. K.C. Jensen, Waterways Experiment Station, U.S. Army Corps of Engineers Dr. W. Carter Johnson, Department of Horticulture and Forestry, South Dakota State University Dr. Kent Keenlyne, Missouri River Coordinator, U.S. Fish and Wildlife Service Michael LeValley, Missouri Ecological Services Office, U.S. Fish and Wildlife Service Dr. David McConville, Biology Department, Saint Mary's College, Winona, Minnesota Dr. J. Frank McCormick, Graduate Program in Ecology, University ofTennessee, Knoxville Dr. William F. Pflieger, Fish and Wildlife Research Center, Missouri Department of Conservation John Pitlo, Jr., Bellevue Research Station, Iowa Department of Natural Resources Jerry L. Rasmussen, Mississippi Interstate Cooperative Resource Association Coordinator, U.S. Fish and Wildlife Service Dr. Jim L. Richardson, Soil Science Department, North Dakota State University Sara Rogers, Environmental Management Technical Center, National Biological Service Dr. Mark Ryan, School of Natural Resources, University of Missouri Dr. Richard Sparks, Center for Aquatic Ecology, Illinois Natural History Survey Norman Stucky, Planning Division, Missouri Department ofConservation
Load more

Recommended publications
  • Flooding the Missouri Valley the Politics of Dam Site Selection and Design
    University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Great Plains Quarterly Great Plains Studies, Center for Summer 1997 Flooding The Missouri Valley The Politics Of Dam Site Selection And Design Robert Kelley Schneiders Texas Tech University Follow this and additional works at: https://digitalcommons.unl.edu/greatplainsquarterly Part of the Other International and Area Studies Commons Schneiders, Robert Kelley, "Flooding The Missouri Valley The Politics Of Dam Site Selection And Design" (1997). Great Plains Quarterly. 1954. https://digitalcommons.unl.edu/greatplainsquarterly/1954 This Article is brought to you for free and open access by the Great Plains Studies, Center for at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Great Plains Quarterly by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. FLOODING THE MISSOURI VALLEY THE POLITICS OF DAM SITE SELECTION AND DESIGN ROBERT KELLEY SCHNEIDERS In December 1944 the United States Con­ Dakota is 160 feet high and 10,700 feet long. gress passed a Rivers and Harbors Bill that The reservoir behind it stretches 140 miles authorized the construction of the Pick-Sloan north-northwest along the Missouri Valley. plan for Missouri River development. From Oahe Dam, near Pierre, South Dakota, sur­ 1946 to 1966, the United States Army Corps passes even Fort Randall Dam at 242 feet high of Engineers, with the assistance of private and 9300 feet long.! Oahe's reservoir stretches contractors, implemented much of that plan 250 miles upstream. The completion of Gar­ in the Missouri River Valley. In that twenty­ rison Dam in North Dakota, and Oahe, Big year period, five of the world's largest earthen Bend, Fort Randall, and Gavin's Point dams dams were built across the main-stem of the in South Dakota resulted in the innundation Missouri River in North and South Dakota.
    [Show full text]
  • Today's Missouri River
    DID YOU KNOW? The Missouri River is the longest river in North America. The Missouri is the world’s 15th- TODAY’S longest river. The Missouri has the nickname MISSOURI RIVER “Big Muddy,” because of the large The Missouri River has been an important resource for amount of silt that it carries. people living along or near it for thousands of years. As time went on and the corridor of the Missouri River was developed and populations increased, efforts have been There are approximately 150 fish made to control flows, create storage, and prevent flooding. species in the Missouri River, and As a result, six mainstem dams have been in place for more about 300 species of birds live in the than half a century, with the goal of bringing substantial Missouri River’s region. economic, environmental, and social benefits to the people of North Dakota and nine other states. The Missouri’s aquatic and riparian Since the building of the mainstem dams, it has been habitats also support several species realized that for all of the benefits that were provided, the of mammals, such as mink, river dams have also brought controversy. They have created otter, beaver, muskrat, and raccoon. competition between water users, loss of riparian habitat, impacts to endangered species, stream bank erosion, and delta formation - which are only a few of the complex issues The major dams built on the river related to today’s Missouri River management. were Fort Peck, Garrison, Oahe, Big Bend, Fort Randall, and Gavin’s Point. This educational booklet will outline the many benefits that the Missouri River provides, and also summarize some of the biggest issues that are facing river managers and residents within the basin today.
    [Show full text]
  • Wildlife Habitat Evaluation of the Unchannelized Missouri River in South Dakota
    South Dakota State University Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange Electronic Theses and Dissertations 1977 Wildlife Habitat Evaluation of the Unchannelized Missouri River in South Dakota James R. Clapp Follow this and additional works at: https://openprairie.sdstate.edu/etd Part of the Natural Resources and Conservation Commons Recommended Citation Clapp, James R., "Wildlife Habitat Evaluation of the Unchannelized Missouri River in South Dakota" (1977). Electronic Theses and Dissertations. 27. https://openprairie.sdstate.edu/etd/27 This Thesis - Open Access is brought to you for free and open access by Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange. It has been accepted for inclusion in Electronic Theses and Dissertations by an authorized administrator of Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange. For more information, please contact [email protected]. WILDLIFE HABITAT EVALUATION OF THE UNCHANNELIZED MISSOURI RIVER IN SOUTH DAKOTA BY JAMES R. CLAPP A thesis submitted in partial fulfillment of the requirements for the degree Master of Science, Major in Wildlife and Fisheries Sciences Wildlife Option South Dakota State University 1977 WILDLIFE HABITAT EVALUATION OF THE UNCHANNELIZED MISSOURI RIVER IN SOUTH DAKOTA This thesis is approved as a creditable and independent investi- gation by a candidate for the degree, Master of Science, and is acceptable for meeting the thesis requirements for this. degree. Acceptance of this thesis does not imply that the conclusions reached by the candidate are necessarily the conclusions of the major department. ACKNOWLEDGEMENTS My sincere appreciation is extended to my graduate advisor, Dr.
    [Show full text]
  • Emerging Reservoir Delta‐Backwaters
    Ecological Monographs, 0(0), 2019, e01363 © 2019 by the Ecological Society of America Emerging reservoir delta-backwaters: biophysical dynamics and riparian biodiversity 1,4 1 2 3 MALIA A. VOLKE, W. C ARTER JOHNSON, MARK D. DIXON, AND MICHAEL L. SCOTT 1Department of Natural Resource Management, South Dakota State University, SNP 138 Box 2140B, Brookings, South Dakota 57007 USA 2Department of Biology, University of South Dakota, 414 E. Clark Street, Vermillion, South Dakota 57069 USA 3Watershed Sciences Department, Utah State University, 5210 Old Main Hill, NR 210, Logan, Utah 84322 USA Citation: Volke, M. A., W. C. Johnson, M. D. Dixon, and M. L. Scott. 2019. Emerging reser- voir delta-backwaters: biophysical dynamics and riparian biodiversity. Ecological Monographs 00(00):e01363. 10.1002/ecm.1363 Abstract. Deltas and backwater-affected bottomlands are forming along tributary and mainstem confluences in reservoirs worldwide. Emergence of prograding deltas, along with related upstream hydrogeomorphic changes to river bottomlands in the backwater fluctua- tion zones of reservoirs, signals the development of new and dynamic riparian and wetland habitats. This study was conducted along the regulated Missouri River, USA, to examine delta-backwater formation and describe vegetation response to its development and dynam- ics. Our research focused specifically on the delta-backwater forming at the confluence of the White River tributary and Lake Francis Case reservoir. Objectives of the research were to: (1) describe and analyze the process of delta-backwater formation over space and time; (2) determine by field sampling and GIS mapping how vegetation has responded to devel- opment of the delta-backwater; and (3) compare the woody plant communities of the delta-backwater to those along free-flowing and regulated remnant river reaches.
    [Show full text]
  • Preprint 06-041
    SME Annual Meeting Mar. 27-Mar.29, 2006, St. Louis, MO Preprint 06-041 A MEANDER CUTOFF INTO A GRAVEL EXTRACTION POND, CLACKAMAS RIVER, OREGON P. J. Wampler, Grand Valley State Univ., Allendale, MI E. F. Schnitzer, Dept. of Geology and Mineral Industries, Albany, OR D. Cramer, Portland General Electric, Estacada, OR C. Lidstone, Lidstone and Assoc(s)., Fort Collins, CO Abstract Introduction The River Island mining site is located at approximately river mile The River Island site provides a unique opportunity to examine (RM) 15 on the Clackamas River, a large gravel-bed river in northwest the physical changes to a river channel resulting from avulsion into a Oregon. During major flooding in February 1996, rapid channel gravel extraction pond. Data from before and after the meander cutoff change occurred. The natural process of meander cutoff, slowed for allow evaluation of changes to river geometry, sediment transport, several years by dike construction, was accelerated by erosion into temperature, habitat, and channel form. gravel extraction ponds on the inside of a meander bend during the An avulsion is defined as a lateral migration or cutoff of a river. It flood. involves the diversion of water from the primary channel into a new In a matter of hours, the river cut off a meander and began flowing channel that is either created during the event or reoccupied. through a series of gravel pits located on the inside of the meander Avulsions may be rapid or take many years to complete (Slingerland bend. The cutoff resulted in a reduction in reach length of and Smith, 2004).
    [Show full text]
  • Three-Decadal Dynamics of Mid-Channel Bars in Downstream Of
    Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-69 Manuscript under review for journal Hydrol. Earth Syst. Sci. Discussion started: 14 March 2019 c Author(s) 2019. CC BY 4.0 License. Three-decadal dynamics of mid-channel bars in downstream of the Three Gorges Dam, China Zhaofei Wen1,2, Hong Yang3,4, Changhong Ding5, Ce Zhang6, Guofan Shao2, Jilong Chen1, Mingquan Lv1, Shengjun Wu1, Zhenfeng Shao7 5 1Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China 2Department of Forestry and Natural Resources, Purdue University, West Lafayette, 47906, USA 3State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Beijing East Road 73, Nanjing, 210008, China 10 4epartment of Geography and Environmental Science, University of Reading, Whiteknights, Reading RG6 6AB, UK 5Aviation University Air Force, Changchun, 130022, China 6Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK 7State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, 430079, China 15 Correspondence to: Zhaofei Wen ([email protected]) Abstract. The downstream of the world’s largest Three Gorges Dam (TGD) along Yangtze River (1560 km) hosts numerous mid-channel bars (MCBs). The morphodynamics of these MCBs are crucial to the river’s hydrological processing, local ecological functioning and socioeconomic development. However, a systematic understanding of such dynamics and their 20 linkages to the TGD across the entire downstream reach remain largely unknown. Using Landsat archive images and a thematic extracting scheme, the work presents comprehensive monitoring of MCB dynamics in terms of number, area, and shape, in the downstream of the TGD during 1985–2018.
    [Show full text]
  • Annual Fish Population and Angler Use and Sport Fish Harvest Surveys on Lake Francis Case, South Dakota, 2009
    SOUTH DAKOTA Downloaded from http://meridian.allenpress.com/jfwm/article-supplement/433055/pdf/10_3996122018-jfwm-115_s7/ by guest on 24 September 2021 ANNUAL FISH POPULATION AND ANGLER USE AND SPORT FISH HARVEST SURVEYS ON LAKE FRANCIS CASE, SOUTH DAKOTA, 2009 South Dakota Department of Game, Fish and Parks Wildlife Division Joe Foss Building Annual Report Pierre, South Dakota 57501-3182 No. 10-13 ANNUAL FISH POPULATION AND ANGLER USE AND SPORT FISH HARVEST SURVEYS ON LAKE FRANCIS CASE, SOUTH DAKOTA, 2009 by Downloaded from http://meridian.allenpress.com/jfwm/article-supplement/433055/pdf/10_3996122018-jfwm-115_s7/ by guest on 24 September 2021 Jason Sorensen and Gary Knecht American Creek Fisheries Station, SOUTH DAKOTA DEPARTMENT OF GAME, FISH AND PARKS Annual Report Dingell-Johnson Project---------------------------------------------------------------------F-21-R-42 Study Numbers--------------------------------------------------------------------------2102 and 2109 Date--------------------------------------------------------------------------------------December, 2010 Reservoir Program Administrator Department Secretary James Riis Jeff Vonk Fisheries Program Administrator Division Director Geno Adams Tony Leif Grants Coordinator Aquatic Section Leader Nora Kohlenberg John Lott PREFACE Information collected during 2009 is summarized in this report. Copies of this report and references to the data can be made with permission from the authors or Director of the Division of Wildlife, South Dakota Department of Game, Fish and Parks, 523 E. Capitol, Pierre, South Dakota 57501-3182. The authors would like to acknowledge the following individuals from the South Dakota Department of Game, Fish and Parks who helped with administrating, data collection, editing, or manuscript preparation: Wes Bouska, Chris Longhenry, James Riis, Sandi Knippling, Darla Kusser, Tim Anderson, Brian Boe, Dane Pauley and Rachel Trible.
    [Show full text]
  • Lewis & Clark on the Great Plains Timeline
    Page 8 • 2004 Lewis and Clark on the Great Plains 2004 • Page 9 LLeewwiiss aanndd CCllaarrkk oonn tthhee GGrreeaatt PPllaaiinnss TTiimmeelliinnee FFrroomm NNeebbrraasskkaa CCiittyy,, NNeebbrraasskkaa ttoo PPiieerrrree,, SSoouutthh DDaakkoottaa ARIKARA July 19, 1804 – In the vicinity of Nebraska City, Nebraska. Clark, in for the boy grew up to be the famous “Struck By The Ree”, Chief of the pursuit of an elk, ascends a hill and discovers the “bound less Prairie”. SOUTH Yankton Tribe. “Struck By The Ree’s” monument is located in Greenwood, South Dakota. Lake Oahe DAKOTA July 20, 1804 – Near Nebraska City, Nebraska. Clark’s observation of TETON SIOUX the “parched prairies” was noted. As the Corps traveled through the Great September 7, 1804 – Corps camp was at “the Tower,” four miles Plains it was understood that fires were ecologically important wherever Oahe Visitor Center SANTEE SIOUX southeast of the Nebraska/South Dakota border on the Nebraska side, grass growth was abundant to prevent secondary growth. They were set near Lynch, Nebraska. The men investigated a prairie dog town, PIERRE by lightning or accidentally by humans, or often Indians set fires SANTEE SIOUX 29 described it for science and captured a prairie dog. This captured prairie BIG BEND purposely for signaling or for improving grazing. Lily Park dog survived the trip in the keelboat to Fort Mandan, wintered over and Bad River Confluence/Teton Council site Akta Lakota Museum Lower Brule YANKTON SIOUX returned back down river to Washington DC for President Jefferson. TETON SIOUX TETON CHAMBERLAIN SIOUX• July 24, 1804 – For several days the Corps stayed at a site they called 90 Lewis and Clark Information Center “Camp White Catfish”, near modern day Bellevue, Nebraska.
    [Show full text]
  • Water Resource Competition in the Brahmaputra River Basin: China, India, and Bangladesh Nilanthi Samaranayake, Satu Limaye, and Joel Wuthnow
    Water Resource Competition in the Brahmaputra River Basin: China, India, and Bangladesh Nilanthi Samaranayake, Satu Limaye, and Joel Wuthnow May 2016 Distribution unlimited This document represents the best opinion of CNA at the time of issue. Distribution Distribution unlimited. Specific authority contracting number: 14-106755-000-INP. For questions or comments about this study, contact Nilanthi Samaranayake at [email protected] Cover Photography: Brahmaputra River, India: people crossing the Brahmaputra River at six in the morning. Credit: Encyclopædia Britannica ImageQuest, "Brahmaputra River, India," Maria Stenzel / National Geographic Society / Universal Images Group Rights Managed / For Education Use Only, http://quest.eb.com/search/137_3139899/1/137_3139899/cite. Approved by: May 2016 Ken E Gause, Director International Affairs Group Center for Strategic Studies Copyright © 2016 CNA Abstract The Brahmaputra River originates in China and runs through India and Bangladesh. China and India have fought a war over contested territory through which the river flows, and Bangladesh faces human security pressures in this basin that will be magnified by upstream river practices. Controversial dam-building activities and water diversion plans could threaten regional stability; yet, no bilateral or multilateral water management accord exists in the Brahmaputra basin. This project, sponsored by the MacArthur Foundation, provides greater understanding of the equities and drivers fueling water insecurity in the Brahmaputra River basin. After conducting research in Dhaka, New Delhi, and Beijing, CNA offers recommendations for key stakeholders to consider at the subnational, bilateral, and multilateral levels to increase cooperation in the basin. These findings lay the foundation for policymakers in China, India, and Bangladesh to discuss steps that help manage and resolve Brahmaputra resource competition, thereby strengthening regional security.
    [Show full text]
  • Effects of Hydrological Connectivity on the Benthos of a Large River (Lower Mississippi River, USA)
    University of Mississippi eGrove Electronic Theses and Dissertations Graduate School 1-1-2018 Effects of Hydrological Connectivity on the Benthos of a Large River (Lower Mississippi River, USA) Audrey B. Harrison University of Mississippi Follow this and additional works at: https://egrove.olemiss.edu/etd Part of the Biology Commons Recommended Citation Harrison, Audrey B., "Effects of Hydrological Connectivity on the Benthos of a Large River (Lower Mississippi River, USA)" (2018). Electronic Theses and Dissertations. 1352. https://egrove.olemiss.edu/etd/1352 This Dissertation is brought to you for free and open access by the Graduate School at eGrove. It has been accepted for inclusion in Electronic Theses and Dissertations by an authorized administrator of eGrove. For more information, please contact [email protected]. EFFECTS OF HYDROLOGICAL CONNECTIVITY ON THE BENTHOS OF A LARGE RIVER (LOWER MISSISSIPPI RIVER, USA) A Dissertation presented in partial fulfillment of requirements for the degree of Doctor of Philosophy in the Department of Biological Sciences The University of Mississippi by AUDREY B. HARRISON May 2018 Copyright © 2018 by Audrey B. Harrison All rights reserved. ABSTRACT The effects of hydrological connectivity between the Mississippi River main channel and adjacent secondary channel and floodplain habitats on macroinvertebrate community structure, water chemistry, and sediment makeup and chemistry are analyzed. In river-floodplain systems, connectivity between the main channel and the surrounding floodplain is critical in maintaining ecosystem processes. Floodplains comprise a variety of aquatic habitat types, including frequently connected secondary channels and oxbows, as well as rarely connected backwater lakes and pools. Herein, the effects of connectivity on riverine and floodplain biota, as well as the impacts of connectivity on the physiochemical makeup of both the water and sediments in secondary channels are examined.
    [Show full text]
  • On the Formation of Fluvial Islands
    AN ABSTRACT OF THE DISSERTATION OF Joshua R. Wyrick for the degree of Doctor of Philosophy in Civil Engineering presented on March 31, 2005. Title: On the Formation of Fluvial Islands Abstract approved: Signature redacted for privacy. Peter C. Klingeman This research analyzes the effects of islands on river process and the effects river processes have on island formation. A fluvial island is defined herein as a land mass within a river channel that is separated from the floodplain by water on all sides, exhibits some stability, and remains exposed during bankfull flow. Fluvial islands are present in nearly all major rivers. They must therefore have some impact on the fluid mechanics of the system, and yet there has never been a detailed study on fluvial islands.Islands represent a more natural state of a river system and have been shown to provide hydrologic variability and biotic diversity for the river. This research describes the formation of fluvial islands, investigates the formation of fluvial islands experimentally, determines the main relations between fluvial islands and river processes, compares and describes relationships between fluvial islands and residual islands found in megaflood outwash plains, and reaches conclusions regarding island shape evolution and flow energy loss optimization. Fluvial islands are known to form by at least nine separate processes: avulsion, gradual degradation of channel branches, lateral shifts in channel position, stabilization of a bar or riffle, isolation of structural features, rapid incision of flood deposits, sediment deposition in the lee of an obstacle, isolation of material deposited by mass movement, and isolation of riparian topography after the installation of a dam.
    [Show full text]
  • River Island Park to Manville Dam – Beginner Tour, Rhode Island
    BLACKSTONE RIVER & CANAL GUIDE River Island Park to Manville Dam – Beginner Tour, Rhode Island [Map: USGS Pawtucket] Level . Beginner Start . River Island Park, Woonsocket, RI R iv End . Manville Dam, Cumberland, RI e r River Miles . 4.2 one way S t r Social St Time . 1-2 hours e reet e Ro t ute Description. Flatwater, Class I-II rapids 104 Commission Scenery. Urban, Forested Offices Thundermist Portages . None treet Dam in S !CAUTION! BVTC Tour Ma Rapids R o Boat Dock u A trip past historic mills and wooded banks. C t o e ur 1 Market t S 2 This is probably the most challenging of our beginner tours. t 6 Square 0 miles R ou This segment travels through the heart of downtown Woonsocket in the B te Woonsocket e 1 r 2 first half, and then through forested city-owned land in the western part of n 2 High School River Island o River n the city. After putting in at River Island Park, go under the Bernon Street Park S Access t Bridge and you enter a section of the river lined with historic mills on both Ha mlet Ave sides. On the right just after the bridge is the Bernon Mills complex. The oldest building in the complex, the 1827 stone mill in the center, is the earliest known example of slow-burning mill construction in America that used noncombustible walls, heavy timber posts and beams and double plank floors to resist burning if it caught fire. d a Starting before the Court Street truss bridge (1895) is a stretch of about o r l WOONSOCKET i 1000 feet of Class I and II rapids, with plenty of rocks that require skillful a R 6 maneuvering.
    [Show full text]