Assessing and Understanding Trail Degradation: Results from Big South Fork National River and Recreational Area
J. L. Marion, N. Olive
2006, Report
This report describes results from a comprehensive assessment of resource conditions on a large (24%) sample of the trail system within Big South Fork National River and Recreational Area (BSF). Components include research to develop state-of-knowledge trail impact assessment and monitoring methods, application of survey methods to BSF trails,...
U.S. Geological Survey activities related to American Indians and Alaska Natives: Fiscal year 2004
Water Resources Division, U.S. Geological Survey
2006, Circular 1296
The USGS works in cooperation with American Indian and Alaska Native governments to conduct research on (1) water, energy, and mineral resources, (2) animals and plants that are important for traditional lifeways or have environmental or economic significance, and (3) natural hazards. This report describes most of the activities that...
Analysis of mid- and high-stage conditions for the Peconic River at the eastern boundary of Brookhaven National Laboratory, Suffolk County, New York
Christopher Schubert, Terrence M. Sullivan, William H. Medeiros
2006, Scientific Investigations Report 2005-5292
Brookhaven National Laboratory (BNL) has historically discharged sewage treatment plant (STP) effluent to the Peconic River, which runs through the BNL site in Suffolk County, N.Y. This effluent discharge has averaged about 700,000 gallons per day (about 1.1 cubic feet per second [ft3/s]) since 1962 and led to contamination of...
Chapter A6. Section 6.2. Dissolved oxygen
Stewart A. Rounds, Franceska D. Wilde, George F. Ritz
2006, Techniques of Water-Resources Investigations 09-A6.2
Accurate data for the concentration of dissolved oxygen in surface and ground waters are essential for documenting changes in environmental water resources that result from natural phenomena and human activities. Dissolved oxygen is necessary in aquatic systems for the survival and growth of many aquatic organisms and is used as...
Mapping vegetation communities in Ozark National Scenic Riverways: final technical report to the National Park Service
Robert A. Chastain, Matthew A. Struckhoff, Keith W. Grabner, Esther D. Stroh, Hong He, David R. Larsen, Timothy A. Nigh, Jim Drake
2006, Open-File Report 2006-1354
Vegetation communities were mapped at two levels in Ozark National Scenic Riverways (ONSR) usign a hybrid combination of statistical methods and photointerpretation. The primary map includes 49 cover classes, including 24 cleasses that relate to vegetation associations currenly described by the United States National Vegetation Classification Standard (USNVC: The...
Summary of preliminary 2D inundation modeling for three Hattian landslide dam breach scenarios
Roger P. Denlinger, Daniel R.H. O’Connell, Matt Jones
2006, Open-File Report 2006-1094
On October 8, 2005, a M 7.6 earthquake near Muzafarrabad, Pakistan, triggered a landslide that dammed the Karli River and one of its tributaries about 4 km upstream of the confluence of the Karli and Jhelum rivers near the town of Hattian Bala. The smaller dam on the tributary of...
Wildfire hazards—A national threat
Water Resources Division, U.S. Geological Survey
2006, Fact Sheet 2006-3015
Wildfires are a growing natural hazard in most regions of the United States, posing a threat to life and property, particularly where native ecosystems meet developed areas.However, because fire is a natural (and often beneficial) process, fire suppression can lead to more severe fires due to the buildup of vegetation,...
Water Resources Data, Pennsylvania, Water Year 2005, Volume 1. Delaware River Basin
R.R. Durlin, W.P. Schaffstall, M.R. Beaver
2006, Water Data Report PA-05-1
Water resources data for the 2005 water year for Pennsylvania consist of records of discharge and water quality of streams; contents and elevations of lakes and reservoirs; and water levels and water quality of ground-water wells. This report, Volume 1 contains (1) discharge records for 75 continuous-record streamflow-gaging stations, 5...
Water Resources Data, Pennsylvania, Water Year 2005, Volume 2. Susquehanna and Potomac River Basins
R.R. Durlin, W.P. Schaffstall, M.R. Beaver
2006, Water Data Report PA-05-2
Water resources data for the 2005 water year for Pennsylvania consist of records of discharge and water quality of streams; contents and elevations of lakes and reservoirs; and water levels and water quality of ground-water wells. This report, Volume 2 contains (1) discharge records for 89 continuous-record streamflow-gaging stations, 13...
Ground-water conditions in Utah, spring of 2006
Carole B. Burden, David V. Allen, M.R. Danner, Vince Walzem, J.L. Cillessen, Paul Downhour, C.D. Wilkowske, Robert J. Eacret, Dale E. Wilberg, B.A. Slaugh, R.L. Swenson, J.H. Howells, H.K. Christiansen, M.J. Fisher
2006, Cooperative Investigations Report 47
This is the forty-third in a series of annual reports that describe ground-water conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Department of Natural Resources, Division of Water Resources and Division of Water Rights, and the Utah Department of Environmental Quality,...
Reply to comment by F. Molz et al. on “Investigating the Macrodispersion Experiment (MADE) site in Columbus, Mississippi, using a three‐dimensional inverse flow and transport model”
Mary C. Hill, Heidi Christiansen Barlebo, Dan Rosbjerg
2006, Water Resources Research (42)
We are pleased to have the opportunity to discuss further what we think are important methods and results presented <span...
Multi-scale responses of soil stability and invasive plants to removal of non-native grazers from an arid conservation reserve
Erik A. Beever, Manuela M. P. Huso, David A. Pyke
2006, Diversity and Distributions (12) 258-268
Disturbances and ecosystem recovery from disturbance both involve numerous processes that operate on multiple spatial and temporal scales. Few studies have investigated how gradients of disturbance intensity and ecosystem responses are distributed across multiple spatial resolutions and also how this relationship changes through time during recovery. We investigated how cover...
Time of travel and dispersion in the Merrimack River in Massachusetts from the state line to the Atlantic Ocean
Gene W. Parker
2006, Scientific Investigations Report 2006-5103
To obtain copies of this report, please contact: Director, Division of Watershed Management, Massachusetts Department of Environmental Protection, 8 New Bond St.. Worcester, MA 01608, (508) 792–7650...
Hydrologic landscape units and adaptive management of intermountain wetlands
Stephen G. Custer, R.S. Sojda
2006, Conference Paper, Adaptive Management of Water Resources: American Water Resources Association Summer Specialty Conference.
daptive management is often proposed to assist in the management of national wildlife refuges and allows the exploration of alternatives as well as the addition of ne w knowledge as it becomes available. The hydrological landscape unit can be a good foundation for such efforts. Red Rock Lakes National Wildlife...
Mapping new terrain climate change and America’s West: Anticipating challenges to western mountain ecosystems and resources
CIRMOUNT Committee
2006, Report
Climate variability and sustained change presage far-reaching transformations across America’s West, an expanse dominated by immense mountain ranges and interspersed with important urban centers. These mountains provide the region’s life blood—water that courses through its streams and runs out its faucets, power that fuels its industries and lights its...
Natural glide slab avalanches, Glacier National Park, USA: A unique hazard and forecasting challenge
Blase Reardon, Daniel B. Fagre, Mark Dundas, Chris Lundy
2006, Conference Paper, Proceedings of 2006 International Snow Science Workshop
In a museum of avalanche phenomena, glide cracks and glide avalanches might be housed in the “strange but true” section. These oddities are uncommon in most snow climates and tend to be isolated to specific terrain features such as bedrock slabs. Many glide cracks never result in avalanches, and when...
Long-duration drought variability and impacts on ecosystem services: A case study from Glacier National Park, Montana
Gregory T. Pederson, Stephen T. Gray, Daniel B. Fagre, Lisa J. Graumlich
2006, Earth Interactions (10) 1-28
Instrumental climate records suggest that summer precipitation and winter snowpack in Glacier National Park (Glacier NP), Montana, vary significantly over decadal to multidecadal time scales. Because instrumental records for the region are limited to the twentieth century, knowledge of the range of variability associated with these moisture anomalies and their...
Measurements of bed load transport on Pacific Creek, Buffalo Fork and The Snake River in Grand Teton National Park, Wyoming
Susannah O. Erwin, J. C. Schmidt
2006, University of Wyoming National Park Service Research Center Annual Report (30) 37-41
Dams disrupt the flow of both of water and sediment through a watershed. Channel morphology is a function of discharge and sediment load, and perturbations caused by dams often alter channel form, causing significant geomorphic and, potentially, ecological changes (e.g. Petts and Gurnell, 2005). At the first order, dams often...
Overview of selected surrogate technologies for continuous suspended-sediment monitoring
J. R. Gray, J. W. Gartner
2006, Conference Paper, Proceedings of the Eighth Federal Interagency Sedimentation Conference (8thFISC), April2-6, 2006, Reno, NV, USA
Surrogate technologies for inferring selected characteristics of suspended sediments in surface waters are being tested by the U.S. Geological Survey and several partners with the ultimate goal of augmenting or replacing traditional monitoring methods. Optical properties of water such as turbidity and optical backscatter are the most commonly used surrogates...
Mineral of the month: cement
Hendrik G. van Oss
2006, Geotimes (2006)
Hydraulic cement is a virtually ubiquitous construction material that, when mixed with water, serves as the binder in concrete and most mortars. Only about 13 percent of concrete by weight is cement (the rest being water and aggregates), but the cement contributes all of the concrete’s compressional strength. The term...
In situ growth of juvenile zebra mussels in a regulated stream
John R. P. French III, S. Jerrine Nichols, Jaquelyn M. Craig, Jeffery D. Allen, M. Glen Black
2006, Journal of Freshwater Ecology (21) 25-30
We investigated the in situ growth of juvenile zebra mussels (Dreissena polymorpha) in a reach of the Huron River (southeast Michigan) below a dam with a control gate that regulates water levels. Growth was significantly different among sample dates over a five-month-long monitoring season. Mean growth of mussels generally decreased...
Geochemical data for mercury, methylmercury, and other constituents in sediments from Englebright Lake, California, 2002
Charles N. Alpers, Michael P. Hunerlach, Mark C. Marvin-DePasquale, Ronald C. Antweiler, Brenda K. Lasorsa, John F. De Wild, Noah P. Snyder
2006, Data Series 151
This report presents geochemical data from two 2002 sampling campaigns conducted in Englebright Lake on the Yuba River in northern California. A deep coring campaign was done in May-June 2002 and a shallow sampling campaign was completed in October 2002. This work assessed the chemical composition of material deposited in...
Surface elevation dynamics in vegetated Spartina marshes versus unvegetated tidal ponds along the mid-Atlantic coast, USA, with implications to waterbirds
R. Michael Erwin, Donald R. Cahoon, Diann J. Prosser, Geoffrey Sanders, Philippe Hensel
2006, Estuaries and Coasts (29) 96-106
Mid Atlantic coastal salt marshes contain a matrix of vegetation diversified by tidal pools, pannes, and creeks, providing habitats of varying importance to many species of breeding, migrating, and wintering waterbirds. We hypothesized that changes in marsh elevation were not sufficient to keep pace with those of sea level in...
Animal and vegetation patterns in natural and man-made bog pools: implications for restoration
M. J. Mazerolle, Marie-Pier Poulin, C. Lavoie, L. Rochefort, A. Desrochers, B. Drolet
2006, Freshwater Biology (51) 333-350
1. Peatlands have suffered great losses following drainage for agriculture, forestry, urbanisation, or peat mining, near inhabited areas. We evaluated the faunal and vegetation patterns after restoration of a peatland formerly mined for peat. We assessed whether bog pools created during restoration are similar to natural bog pools...
Fish-assemblage variation between geologically defined regions and across a longitudinal gradient in the Monkey River Basin, Belize
P.C. Esselman, Mary C. Freeman, C. M. Pringle
2006, Journal of the North American Benthological Society (25) 142-156
Linkages between geology and fish assemblages have been inferred in many regions throughout the world, but no studies have yet investigated whether fish assemblages differ across geologies in Mesoamerica. The goals of our study were to: 1) compare physicochemical conditions and fish-assemblage structure across 2 geologic types in headwaters of...
