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Page 1974, results 49326 - 49350

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Not all publications have extents, not all extents are completely accurate
Streamflow and fluvial sediment transport in Pool C, restored section of the Kissimmee River
J. Leroy Pearman, Allen C. Gellis, Philip J. Habermehl
Joann Mossa, Allen C. Gellis, Cliff R. Hupp, J. Leroy Pearman, Ursula Garfield, Edward R. Schenk, Jim Rasmussen, Jose Valdes, Philip J. Habermehl, editor(s)
2009, Report, Geomorphic monitoring of the Kissimmee River restoration: 2006-2009
The Kissimmee River Restoration Project was authorized by Congress in 1992 to restore more than 64 km2 (square kilometers) of river/floodplain ecosystem including 69 km of meandering river channel and 10,900 hectares (ha) of wetlands. Although biologic monitoring is an integral and active part of the Kissimmee River restoration, by...
Olympic Fisher Reintroduction Project- 2009 Progress Report
Jeffrey C. Lewis, Patti J. Happe, Kurt J. Jenkins, David J. Manson
2009, Report
The 2009 progress report is a summary of the reintroduction, monitoring, and research efforts undertaken during the first two years of the Olympic fisher reintroduction project. Jeffrey C. Lewis of Washington Department of Fish and Wildlife, Patti J. Happe of Olympic National Park, and Kurt J. Jenkins of U. S....
Monitoring and modeling shoreline response due to shoreface nourishment on a high-energy coast
P. L. Barnard, Li H. Erikson, J. E. Hansen
2009, Journal of Coastal Research 29-33
Shoreface nourishment can be an efficient technique to feed sediment into the littoral zone without the order of magnitude cost increase incurred by directly nourishing the beach. An erosion hot spot at Ocean Beach in San Francisco, California, USA, threatens valuable public infrastructure as well as safe recreational use of...
Characterization of rock samples and mineralogical controls on leachates
Jane M. Hammarstrom, Charles A. Cravotta III, Daniel G. Galeone, John C. Jackson, Frank T. Dulong
Roger J. Hornberger, Keith B.C. Brady, editor(s)
2009, Report, Development and interpretation of the ADTI-WP2 Leaching Column Method (kinetic test procedure for the prediction of coal mine drainage quality). EPA Method 1627
Rocks associated with coal beds typically include shale, sandstone, and (or) limestone. In addition to common rock-forming minerals, all of these rock types may contain sulfide and sulfate minerals, various carbonate minerals, and organic material. These different minerals have inherently different solubility characteristics, as well as different acid-generating or acid-neutralizing...
Estimating phosphorus concentrations following alum treatment using apparent settling velocity
John Panuska, Dale M. Robertson
2009, Lake and Reservoir Management (15) 28-38
he apparent settling velocity (Vs) is a term used in empirical, steady-state, mass-balance lake models to represent the net phosphorus flux from the water column. The Vollenweider (1969) mixed-reactor lake model was rearranged and used to calculate Vs values for total phosphorus (TP) for three lakes treated with alum to...
Rehabilitation of Delavan Lake, Wisconsin
Dale M. Robertson, Gerald L. Goddard, D.R. Helsel, Kevin L. MacKinnon
2009, Lake and Reservoir Management (16) 155-176
A comprehensive rehabilitation plan was developed and implemented to shift Delavan Lake, Wisconsin, from a hypereutrophic to a mesotrophic condition. The plan was threefold: (1) reduce external phosphorus (P) loading by applying Best Management Practices in the watershed, enhance an existing wetland, and short-circuit the inflows through...
Evaluation of methods and uncertainties in the chemical budgets
James W. LaBaugh, Donald C. Buso, Gene E. Likens
Thomas Winterstein, Gene E. Likens, editor(s)
2009, Book chapter, Mirror Lake: Interactions among air, land, and water
This chapter examines the uncertainties inherent in the water and chemical budgets of the lake in relation to the differences between chemical mass change in storage and to the balance between solute inputs and solute outputs associated with water fluxes. It begins by discussing uncertainty in the water budgets used...
Diffusion-equation representations of landform evolution in the simplest circumstances: Appendix C
Thomas C. Hanks
2009, Book, Friends of the Pleistocene 2009 Pacific Cell Field Trip: Paleoseismic, geomorphic, and geodetic studies across the Central Great Basin: Exploring active deformation along the eastern edge of the Pacific/North American plate boundary.
The diffusion equation is one of the three great partial differential equations of classical physics. It describes the flow or diffusion of heat in the presence of temperature gradients, fluid flow in porous media in the presence of pressure gradients, and the diffusion of molecules in the presence of chemical...
Online interactive U.S. Reservoir Sedimentation Survey Database
J.B. Gray, J.M. Bernard, G. E. Schwarz, D. W. Stewart, K.T. Ray
2009, Eos, Transactions, American Geophysical Union (90) 199
In April 2009, the U.S. Geological Survey and the Natural Resources Conservation Service (prior to 1994, the Soil Conservation Service) created the Reservoir Sedimentation Survey Database (RESSED) and Web site, the most comprehensive compilation of data from reservoir bathymetric and dry basin surveys in the United States. RESSED data can...
Converting nonstandard fish sampling data to standardized data
James T. Peterson, Craig P. Paukert
2009, Book chapter, Standard methods for sampling North American freshwater fishes
Fishery biologists spend considerable effort over multiple years collecting data on fish population and community status using a particular sampling method or set of methods. However, new (and often more effective) sampling methods and technologies are continuously being developed. To incorporate these new sampling techniques, fishery biologists need a means...
Remote sensing of global croplands for food security: Way forward
Prasad S. Thenkabail, John G. Lyon
Prasad S. Thenkabail, Chandrashekhar M. Biradar, Hugh Turral, John G. Lyon, editor(s)
2009, Book chapter, Remote sensing of global croplands for food security
This book opens a new pathway for global mapping that is focused on a specific land use theme, such as irrigated or rain-fed croplands and classes within these themes. Since croplands use most of the water consumed by humans, specific knowledge of irrigated and rain-fed croplands will be critical for...
Global Map of Rainfed Cropland Areas (GMRCA) and statistics using remote sensing
Chandrashekhar M. Biradar, Prasad S. Thenkabail, Praveen Noojipady, Y.J. Li, Venkateswarlu Dheeravath, Manohar Velpuri, Hugh Turral, Xueliang L. Cai, Murali Krishna Gumma, Obi Reddy P. Gangalakunta
Prasad S. Thenkabail, Chandrashekhar M. Biradar, Hugh Turral, John G. Lyon, editor(s)
2009, Book chapter, Remote sensing of global croplands for food security
No abstract available....
Global irrigated area maps (GIAM) and statistics using remote sensing
Prasad S. Thenkabail, Y.J. Li, Chandrashekhar M. Biradar, Murali Krishna Gumma, Praveen Noojipady, Venkateswarlu Dheeravath, Manohar Velpuri, Obi Reddy P. Gangalakunta
Prasad S. Thenkabail, Chandrashekhar M. Biradar, Hugh Turral, John G. Lyon, editor(s)
2009, Book chapter, Remote sensing of global croplands for food security
No abstract available....
A history of irrigated areas of the world
Prasad S. Thenkabail, Xueliang L. Cai, Y.J. Li, Chandrashekhar M. Biradar, Praveen Noojipady, Venkateswarlu Dheeravath, Manohar Velpuri, Obi Reddy P. Gangalakunta
Prasad S. Thenkabail, Chandrashekhar M. Biradar, Hugh Turral, John G. Lyon, editor(s)
2009, Book chapter, Remote sensing of global croplands for food security
No abstract available....
Remote sensing of global croplands for food security
Prasad S. Thenkabail, Chandrashekhar M. Biradar, Hugh Turral, John G. Lyon
2009, Book
Increases in populations have created an increasing demand for food crops while increases in demand for biofuels have created an increase in demand for fuel crops. What has not increased is the amount of croplands and their productivity. These and many other factors such as decreasing water resources in a...
Climate and hydrological changes in the northeastern United States: recent trends and implications for forested and aquatic ecosystems
Thomas G. Huntington, Andrew D. Richardson, Kevin J. McGuire, Katharine Hayhoe
2009, Canadian Journal of Forest Research (39) 199-212
We review twentieth century and projected twenty-first century changes in climatic and hydrologic conditions in the northeastern United States and the implications of these changes for forest ecosystems. Climate warming and increases in precipitation and associated changes in snow and hydrologic regimes have been observed over the last century, with...
A look at construction aggregates production
Jason Christopher Willett
2009, Stone, Sand & Gravel Review (25) 33-36
Construction aggregates are defined as the combination of crushed stone and construction sand and gravel. Aggregates are one of the most accessible natural resources on Earth and one of the fundamental building blocks of our society. They have been used from the earliest times of our civilization for a variety...
Mineral resource of the month: gold
Micheal W. George
2009, Earth (54) 29-29
The article presents information on the valuable mineral called gold. It states that early civilizations valued gold because of its scarcity, durability and characteristics yellow color. By the late 20th century, gold was used as an industrial metal because of its unique physicochemical properties. The U.S. has several productive deposits...
Mineral resource of the month: ferrous slag
Water Resources Division, U.S. Geological Survey
2009, Earth (54) 39-39
The article offers information on mineral resource ferrous slag. Ferrous slag is produced through the addition of materials such as limestone and dolomite to blast and steel furnaces to remove impurities from iron ore and to lower the heat requirements for processes in iron and steel making. It is stated...
Mineral resource of the month: diamond
Donald W. Olson
2009, Earth (54) 28-29
The article presents information on diamond, which is regarded as the world's most popular gemstone. It states that there is strength in the covalent bonding between its carbon atoms, resulting to the strength of its physical properties. The presence of colors in diamonds may be attributed to the impurities that...
Mineral resource of the month: bromine
Water Resources Division, U.S. Geological Survey
2009, Earth (54) 29-29
The article offers information on bromine, a natural element considered as a dissolved species in seawater, saltwater lakes and underground brines linked with petroleum deposits. Bromine belongs to the halogen group of elements and is characterized with brownish-red color and beach-like odor. It is commonly used in flame retardants, agriculture...