Reclaimed mineland curve number response to temporal distribution of rainfall
R.C. Warner, C.T. Agouridis, P.T. Vingralek, A.W. Fogle
2010, Journal of the American Water Resources Association (46) 724-732
The curve number (CN) method is a common technique to estimate runoff volume, and it is widely used in coal mining operations such as those in the Appalachian region of Kentucky. However, very little CN data are available for watersheds disturbed by surface mining and then reclaimed using traditional techniques....
A late Miocene-early Pliocene chain of lakes fed by the Colorado River: Evidence from Sr, C, and O isotopes of the Bouse Formation and related units between Grand Canyon and the Gulf of California
J. A. Roskowski, P. J. Patchett, J.E. Spencer, P. A. Pearthree, D. L. Dettman, J. E. Faulds, A. C. Reynolds
2010, Geological Society of America Bulletin (122) 1625-1636
We report strontium isotopic results for the late Miocene Hualapai Limestone of the Lake Mead area (Arizona-Nevada) and the latest Miocene to early Pliocene Bouse Formation and related units of the lower Colorado River trough (Arizona-California-Nevada), together with parallel oxygen and carbon isotopic analyses of Bouse samples, to constrain the...
Fine scale daily movements and habitat use of East Pacific green turtles at a shallow coastal lagoon in Baja California Sur, Mexico
Jesse Senko, Volker Koch, William M. Megill, Raymond R. Carthy, R.obert P. Templeton, Wallace J. Nichols
2010, Journal of Experimental Marine Biology and Ecology (391) 92-100
Green turtles spend most of their lives in coastal foraging areas where they face multiple anthropogenic impacts. Therefore, understanding their spatial use in this environment is a priority for conservation efforts. We studied the fine scale daily movements and habitat use of East Pacific green turtles (Chelonia mydas) at Laguna...
Mercury and methylmercury dynamics in a coastal plain watershed, New Jersey, USA
J. L. Barringer, M.L. Riskin, Z. Szabo, P.A. Reilly, R. Rosman, J.L. Bonin, J.M. Fischer, H.A. Heckathorn
2010, Water, Air, & Soil Pollution (212) 251-273
The upper Great Egg Harbor River watershed in New Jersey's Coastal Plain is urbanized but extensive freshwater wetlands are present downstream. In 2006-2007, studies to assess levels of total mercury (THg) found concentrations in unfiltered streamwater to range as high as 187 ng/L in urbanized areas. THg concentrations were <20...
Occurrence of the Great Lake's most recent invader, Hemimysis anomala, in the diet of fishes in southeastern Lake Ontario
B.F. Lantry, M. G. Walsh, J. H. Johnson, J.E. McKenna Jr.
2010, Journal of Great Lakes Research (36) 179-183
The Ponto-Caspian mysid, Hemimysis anomala, was first observed in southeastern Lake Ontario in May 2006. During July and August 2007, gill nets were fished in 6 to 8 m of water at two locations of known Hemimysis colonization in southeastern Lake Ontario to determine if fish that consume macroinvertebrates were...
Faunal assemblages and multi-scale habitat patterns in headwater tributaries of the South Fork Trinity River - an unregulated river embedded within a multiple-use landscape
H.H. Welsh, G.R. Hodgson, J.J. Duda, J.M. Emlen
2010, Animal Biodiversity and Conservation (33) 63-87
Headwaters can represent 80% of stream kilometers in a watershed, and they also have unique physical and biological properties that have only recently been recognized for their importance in sustaining healthy functioning stream networks and their ecological services. We sampled 60 headwater tributaries in the South Fork Trinity River, a...
Response of a macrotidal estuary to changes in anthropogenic mercury loading between 1850 and 2000
E.M. Sunderl, J. Dalziel, A. Heyes, B.A. Branfireun, David P. Krabbenhoft, F.A.P.C. Gobas
2010, Environmental Science & Technology (44) 1698-1704
Methylmercury (MeHg) bioaccumulation in marine food webs poses risks to fish-consuming populations and wildlife. Here we develop and test an estuarine mercury cycling model for a coastal embayment of the Bay of Fundy, Canada. Mass budget calculations reveal that MeHg fluxes into sediments from settling solids exceed losses from sediment-to-water...
Do larval fishes exhibit diel drift patterns in a large, turbid river?
K.S. Reeves, D.L. Galat
2010, Journal of Applied Ichthyology (26) 571-577
Previous research suggested larval fishes do not exhibit a diel drift cycle in turbid rivers (transparency <30 cm). We evaluated this hypothesis in the turbid, lower Missouri River, Missouri. We also reviewed diel patterns of larval drift over a range of transparencies in rivers worldwide. Larval fishes were collected from...
A shallow subsurface controlled release facility in Bozeman, Montana, USA, for testing near surface CO2 detection techniques and transport models
L.H. Spangler, L.M. Dobeck, K.S. Repasky, A.R. Nehrir, S.D. Humphries, C.J. Keith, J.A. Shaw, J.H. Rouse, A.B. Cunningham, S.M. Benson, C.M. Oldenburg, J.L. Lewicki, A.W. Wells, J.R. Diehl, B.R. Strazisar, J.E. Fessenden, T.A. Rahn, J.E. Amonette, J.L. Barr, W.L. Pickles, J.D. Jacobson, E. A. Silver, E.J. Male, H.W. Rauch, K.S. Gullickson, R. Trautz, Yousif K. Kharaka, J. Birkholzer, L. Wielopolski
2010, Environmental Earth Sciences (60) 227-239
A controlled field pilot has been developed in Bozeman, Montana, USA, to study near surface CO2 transport and detection technologies. A slotted horizontal well divided into six zones was installed in the shallow subsurface. The scale and CO2 release rates were chosen to be relevant to developing monitoring strategies for...
The areal extent of brown shrimp habitat suitability in Mobile Bay, Alabama, USA: Targeting vegetated habitat restoration
L.M. Smith, J.A. Nestlerode, L.C. Harwell, P. Bourgeois
2010, Environmental Monitoring and Assessment (171) 611-620
The availability of wetlands and shallow water habitats significantly influences Gulf of Mexico (GOM) penaeid shrimp fishery productivity. However, the GOM region has the highest rate of wetland loss in the USA. Protection and management of these vital GOM habitats are critical to sustainable shrimp fisheries. Brown shrimp (Farfantepenaeus aztecus)...
Plant community, primary productivity, and environmental conditions following wetland re-establishment in the Sacramento-San Joaquin Delta, California
R. L. Miller, R. Fujii
2010, Wetlands Ecology and Management (18) 1-16
Wetland restoration can mitigate aerobic decomposition of subsided organic soils, as well as re-establish conditions favorable for carbon storage. Rates of carbon storage result from the balance of inputs and losses, both of which are affected by wetland hydrology. We followed the effect of water depth (25 and 55 cm)...
Decadal-timescale estuarine geomorphic change under future scenarios of climate and sediment supply
N. K. Ganju, D. H. Schoellhamer
2010, Estuaries and Coasts (33) 15-29
Future estuarine geomorphic change, in response to climate change, sea-level rise, and watershed sediment supply, may govern ecological function, navigation, and water quality. We estimated geomorphic changes in Suisun Bay, CA, under four scenarios using a tidal-timescale hydrodynamic/sediment transport model. Computational expense and data needs were reduced using the morphological...
Silica-rich deposits and hydrated minerals at Gusev Crater, Mars: Vis-NIR spectral characterization and regional mapping
M.S. Rice, J.F. Bell III, E.A. Cloutis, A. Wang, S. W. Ruff, M.A. Craig, D.T. Bailey, J. R. Johnson, P.A. De Souza Jr., W. H. Farrand
2010, Icarus (205) 375-395
The Mars Exploration Rover (MER) Spirit has discovered surprisingly high concentrations of amorphous silica in soil and nodular outcrops in the Inner Basin of the Columbia Hills. In Pancam multispectral observations, we find that an absorption feature at the longest Pancam wavelength (1009 nm) appears to be characteristic of these...
Geochemistry of trace elements in coals from the Zhuji Mine, Huainan Coalfield, Anhui, China
R. Sun, Gaisheng Liu, Lingyun Zheng, C. L. Chou
2010, International Journal of Coal Geology (81) 81-96
The abundances of nine major elements and thirty-eight trace elements in 520 samples of low sulfur coals from the Zhuji Mine, Huainan Coalfield, Anhui, China, were determined. Samples were mainly collected from 10 minable coal seams of 29 boreholes during exploration. The B content in coals shows that the influence...
August 2008 eruption of Kasatochi volcano, Aleutian Islands, Alaska-resetting an Island Landscape
William E. Scott, Christopher J. Nye, Christopher F. Waythomas, Christina A. Neal
2010, Arctic, Antarctic, and Alpine Research (42) 250-259
Kasatochi Island, the subaerial portion of a small volcano in the western Aleutian volcanic arc, erupted on 7-8 August 2008. Pyroclastic flows and surges swept the island repeatedly and buried most of it and the near-shore zone in decimeters to tens of meters of deposits. Several key seabird rookeries in...
Response of aquatic macrophytes to human land use perturbations in the watersheds of Wisconsin lakes, U.S.A.
Laura L. Sass, Michael A. Bozek, Jennifer A. Hauxwell, Kelly Wagner, Susan Knight
2010, Aquatic Botany (93) 1-8
Aquatic macrophyte communities were assessed in 53 lakes in Wisconsin, U.S.A. along environmental and land use development gradients to determine effects human land use perturbations have on aquatic macrophytes at the watershed and riparian development scales. Species richness and relative frequency were surveyed in lakes from two ecoregions: the Northern...
Application of the surface azimuthal electrical resistivity survey method to determine patterns of regional joint orientation in glacial tills
David R. Carlson
2010, Environmental Geosciences (17) 175-192
Joints within unconsolidated material such as glacial till can be primary avenues for the flow of electrical charge, water, and contaminants. To facilitate the siting and design of remediation programs, a need exists to map anisotropic distribution of such pathways within glacial tills by determining the azimuth of the dominant...
The green alga, Cladophora, promotes Escherichia coli growth and contamination of recreational waters in Lake Michigan
A.V. Heuvel, C. McDermott, R. Pillsbury, T. Sandrin, J. Kinzelman, J. Ferguson, M. Sadowsky, M. Byappanahalli, R. Whitman, G.T. Kleinheinz
2010, Journal of Environmental Quality (39) 333-344
A linkage between Cladophora mats and exceedances of recreational water quality criteria has been suggested, but not directly studied. Th is study investigates the spatial and temporal association between Escherichia coli concentrations within and near Cladophora mats at two northwestern Lake Michigan beaches in Door County, Wisconsin. Escherichia coli concentrations...
Environmental tolerance of an invasive riparian tree and its potential for continued spread in the southwestern US
L.V. Reynolds, D.J. Cooper
2010, Journal of Vegetation Science (21) 733-743
Questions: Exotic plant invasion may be aided by facilitation and broad tolerance of environmental conditions, yet these processes are poorly understood in species-rich ecosystems such as riparian zones. In the southwestern United States (US) two plant species have invaded riparian zones: tamarisk (Tamarix ramosissima, T. chinensis, and their hybrids) and...
Sources of suspended-sediment flux in streams of the chesapeake bay watershed: A regional application of the sparrow model
J. W. Brakebill, S.W. Ator, G. E. Schwarz
2010, Journal of the American Water Resources Association (46) 757-776
We describe the sources and transport of fluvial suspended sediment in nontidal streams of the Chesapeake Bay watershed and vicinity. We applied SPAtially Referenced Regressions on Watershed attributes, which spatially correlates estimated mean annual flux of suspended sediment in nontidal streams with sources of suspended sediment and transport factors. According...
The release of dissolved nutrients and metals from coastal sediments due to resuspension
Linda H. Kalnejais, William R. Martin, Michael H. Bothner
2010, Marine Chemistry (121) 224-235
Coastal sediments in many regions are impacted by high levels of contaminants. Due to a combination of shallow water depths, waves, and currents, these sediments are subject to regular episodes of sediment resuspension. However, the influence of such disturbances on sediment chemistry and the release of solutes is poorly understood....
Anthropogenic influence on recent bathymetric change in west-central San Francisco Bay
Patrick L. Barnard, Rikk G. Kvitek
2010, San Francisco Estuary and Watershed Science (8)
Two multibeam sonar surveys of west-central San Francisco Bay, California, were conducted in 1997 and 2008. Bathymetric change analysis between the two surveys indicates a loss of 14.1 million cubic meters (-3.1 cm/yr) of sediment during this time period, representing an approximately three-fold acceleration of the rate that was observed...
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: NLCD 2001 Tree Canopy
Michael Wieczorek, Andrew E. LaMotte
2010, Data Series 491-06
This tabular data set represents the mean percent tree canopy from the Canopy Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010), compiled for every MRB_E2RF1 catchment of Major River Basins (MRBs, Crawford and others, 2006). The source data set represents tree canopy percentage for the conterminous...
A new capture fraction method to map how pumpage affects surface water flow
S. A. Leake, H. W. Reeves, J.E. Dickinson
2010, Ground Water (48) 690-700
All groundwater pumped is balanced by removal of water somewhere, initially from storage in the aquifer and later from capture in the form of increase in recharge and decrease in discharge. Capture that results in a loss of water in streams, rivers, and wetlands now is a concern in many...
Interpreting canopy water balance and fog screen observations: separating cloud water from wind-blown rainfall at two contrasting forest sites in Hawai'i
Thomas W. Giambelluca, J. K. DeLay, M.A. Nullet, Martha A. Scholl, Stephen B. Gingerich
L.A. Bruijnzeel, F.N. Scatena, L.S. Hamilton, editor(s)
2010, Book chapter, Tropical montane cloud forests: science for conservation and management
No abstract available....
