Spatial and temporal variations in landscape evolution: historic and longer-term sediment flux through global catchments
Jacob A. Covault, William H. Craddock, Brian W. Romans, Andrea Fildani, Mayur Gosai
2013, The Journal of Geology (121) 35-56
Sediment generation and transport through terrestrial catchments influence soil distribution, geochemical cycling of particulate and dissolved loads, and the character of the stratigraphic record of Earth history. To assess the spatiotemporal variation in landscape evolution, we compare global compilations of stream gauge–derived () and cosmogenic radionuclide (CRN)–derived (predominantly 10Be; )...
Current status, issues and applications of GIS to inland fisheries
William Fisher
Geoffery J. Meaden, Jose Aguilar-Manjarrez, editor(s)
2013, Book chapter, Advances in geographic information systems and remote sensing for fisheries and aquaculture: Summary version (FAO Fisheries and Aquaculture Technical Paper 552)
This chapter is concerned with GIS applications made to inland fisheries. These include fisheries in freshwater rivers, lakes and reservoirs. Although these GIS applications have increased rapidly since the late 1980s, this area of fish production receives less attention than either aquaculture or marine fisheries. This is probably because inland...
Baseline-dependent responses of soil organic carbon dynamics to climate and land disturbances
Zhengxi Tan, Shuguang Liu
2013, Applied and Environmental Soil Science (2013) 1-7
Terrestrial carbon (C) sequestration through optimizing land use and management is widely considered a realistic option to mitigate the global greenhouse effect. But how the responses of individual ecosystems to changes in land use and management are related to baseline soil organic C (SOC) levels still needs to be evaluated...
Use of gene-expression programming to estimate Manning’s roughness coefficient for high gradient streams
H. Azamathulla, Robert D. Jarrett
2013, Water Resources Management (27) 715-729
Manning’s roughness coefficient (n) has been widely used in the estimation of flood discharges or depths of flow in natural channels. Therefore, the selection of appropriate Manning’s nvalues is of paramount importance for hydraulic engineers and hydrologists and requires considerable experience, although extensive guidelines are available. Generally,...
Multitemporal cross-calibration of the Terra MODIS and Landsat 7 ETM+ reflective solar bands
Amit Angal, Xiaoxiong Xiong, Aisheng Wu, Gyanesh Chander, Taeyoung Choi
2013, IEEE Transactions on Geoscience and Remote Sensing (51) 1870-1882
In recent years, there has been a significant increase in the use of remotely sensed data to address global issues. With the open data policy, the data from the Moderate Resolution Imaging Spectroradiometer (MODIS) and Enhanced Thematic Mapper Plus (ETM+) sensors have become a critical component of numerous applications. These...
Knowledge, transparency, and refutability in groundwater models, an example from the Death Valley regional groundwater flow system
Mary C. Hill, Claudia C. Faunt, Wayne Belcher, Donald S. Sweetkind, Claire R. Tiedeman, Dmitri Kavetski
2013, Physics and Chemistry of the Earth, Parts A/B/C (64) 105-116
This work demonstrates how available knowledge can be used to build more transparent and refutable computer models of groundwater systems. The Death Valley regional groundwater flow system, which surrounds a proposed site for a high level nuclear waste repository of the United States of America, and the Nevada National Security...
Establishing an operational waterhole monitoring system using satellite data and hydrologic modelling: Application in the pastoral regions of East Africa
Gabriel B. Senay, Naga Manohar Velpuri, Henok Alemu, Shahriar Md Pervez, Kwabena O Asante, Gatarwa Karuki, Asefa Taa, Jay Angerer
2013, Pastoralism: Research, Policy and Practice (3) 1-16
Timely information on the availability of water and forage is important for the sustainable development of pastoral regions. The lack of such information increases the dependence of pastoral communities on perennial sources, which often leads to competition and conflicts. The provision of timely information is a challenging task, especially due...
Eighth Landsat satellite becomes operational
J. R. Irons, Thomas R. Loveland
2013, Photogrammetric Engineering and Remote Sensing (79) 398-401
No abstract available....
Galveston Bay: Chapter D in Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
Lawrence R. Handley, Kathryn A. Spear, Eleonor Taylor, Cindy A. Thatcher
2013, Report, Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
The Galveston Bay estuary is located on the upper Texas Gulf coast (Lester and Gonzalez, 2002). It is composed of four major sub-bays - Galveston, Trinity, East, and West Bays. It is Texas’ largest estuary on the Gulf Coast with a total area of 155,399 hectares (384,000 acres) and 1,885...
Ambient seismic noise interferometry in Hawai'i reveals long-range observability of volcanic tremor
Silke Ballmer, Cecily J. Wolfe, Paul G. Okubo, Matthew M. Haney, Clifford H. Thurber
2013, Geophysical Journal International (194) 512-523
The use of seismic noise interferometry to retrieve Green's functions and the analysis of volcanic tremor are both useful in studying volcano dynamics. Whereas seismic noise interferometry allows long-range extraction of interpretable signals from a relatively weak noise wavefield, the characterization of volcanic tremor often requires a dense seismic array...
Persistence and potential effects of complex organic contaminant mixtures in wastewater-impacted streams
Larry B. Barber, Steffanie H. Keefe, Greg K. Brown, Edward T. Furlong, James L. Gray, Dana W. Kolpin, Michael T. Meyer, Mark W. Sandstrom, Steven D. Zaugg
2013, Environmental Science & Technology (47) 2177-2188
Natural and synthetic organic contaminants in municipal wastewater treatment plant (WWTP) effluents can cause ecosystem impacts, raising concerns about their persistence in receiving streams. In this study, Lagrangian sampling, in which the same approximate parcel of water is tracked as it moves downstream, was conducted at Boulder Creek, Colorado and...
Fate(s) of injected CO2 in a coal-bearing formation, Louisiana, Gulf Coast Basin: Chemical and isotopic tracers of microbial-brine-rock-CO2 interactions
Jenna L. Shelton
2013, Thesis
Coal beds are one of the most promising reservoirs for geologic carbon dioxide (CO₂) sequestration, as CO₂ can strongly adsorb onto organic matter and displace methane; however, little is known about the long-term fate of CO₂ sequestered in coal beds. The "2800' sand" of the Olla oil field is a...
Limiting the immediate and subsequent hazards associated with wildfires
Jerome V. DeGraff, Susan H. Cannon, Mario Parise
2013, Book chapter, Landslide Science and Practice: Volume 4: Global Environmental Change
Wildfire is a unique natural hazard because it poses immediate threats to life and property as well as creating conditions that can lead to subsequent debris flows. In recent years, the immediate destructive force of wildfires has been decreased through better understanding of fire behavior. Lightning detection networks now identify...
Spring migratory pathways and migration chronology of Canada geese (Branta canadensis interior) wintering at the Santee National Wildlife Refuge, South Carolina
Molly M. Giles, Patrick G.R. Jodice, Robert F. Baldwin, John D. Stanton, Marc Epstein
2013, Canadian Field-Naturalist (127) 17-25
We assessed the migratory pathways, migration chronology, and breeding ground affiliation of Canada Geese (Branta canadensis interior) that winter in and adjacent to the Santee National Wildlife Refuge in Summerton, South Carolina, United States. Satellite transmitters were fitted to eight Canada Geese at Santee National Wildlife Refuge during the winter...
Effect of dissolved organic matter source and character on microbial Hg methylation in Hg–S–DOM solutions
Andrew M. Graham, George R. Aiken, Cynthia Gilmour
2013, Environmental Science & Technology (47) 5746-5754
Dissolved organic matter (DOM) is a key component of fate and transport models for most metals, including mercury (Hg). Utilizing a suite of diverse DOM isolates, we demonstrated that DOM character, in addition to concentration, influences inorganic Hg (Hg(II)i) bioavailability to Hg-methylating bacteria. Using a model Hg-methylating bacterium, Desulfovibrio desulfuricansND132, we...
Lakes without Landsat? Implications of scale and an alternative approach to regional remote lake monitoring using MODIS 250 m imagery
Ian M. McCullough, Cynthia S. Loftin, Steven A. Sader
2013, Lake and Reservoir Management (29) 89-98
We evaluated use of MODIS 250 m imagery for remote lake monitoring in Maine. Despite limited spectral resolution (visible red and near infrared bands), the twice daily image capture has a potential advantage over conventionally used, often cloudy Landsat imagery (16 day interval) when short time windows are of interest. We analyzed...
Characterizing LEDAPS surface reflectance products by comparisons with AERONET, field spectrometer, and MODIS data
Tom Maiersperger, Pat Scaramuzza, Larry Leigh, S. Shrestha, Kevin Gallo, Calli B. Jenkerson, John L. Dwyer
2013, Remote Sensing of Environment (136) 1-13
This study provides a baseline quality check on provisional Landsat Surface Reflectance (SR) products as generated by the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center using Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) software. Characterization of the Landsat SR products leveraged comparisons between aerosol optical thickness...
Hybrid seine for full fish community collections
James E. McKenna, Emily M. Waldt, Ross Abbett, Anthony David, James Snyder
2013, Journal of Freshwater Ecology (28) 125-131
Seines are simple and effective fish collection gears, but the net mesh size influences how well the catch represents the fish communities. We designed and tested a hybrid seine with a dual-mesh bag (1/4″ and 1/8″) and compared the fish assemblage collected by each mesh. The fine-mesh net retained three...
Statewide summary for Mississippi
Lawrence R. Handley, Kathryn A. Spear, Ali Leggett, Cindy A. Thatcher
2013, Report, Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
The Mississippi coastline is 113 linear kilometers (70 miles) long and its estuaries cover approximately 594 km (369 mi; Figure 1) (Handley and others, 2007). It has a man-made sand beach 43.5 km (27 mi) long and 595.5 km (370 mi) of shoreline (Klein and others, b., 1998). The Mississippi...
Deep-ocean mineral deposits as a source of critical metals for high- and green-technology applications: Comparison with land-based deposits
James R. Hein, Kira Mizell, Andrea Koschinsky, Tracey Conrad
2013, Ore Geology Reviews (51) 1-14
Landsat Data Continuity Mission, now Landsat-8: six months on-orbit
Brian L. Markham, James C. Storey, James R. Irons
2013, Conference Paper, SPIE 8866, Earth Observing Systems
The Landsat Data Continuity Mission (LDCM) with two pushbroom Earth-imaging sensors, the Operational Land Imager (OLI) and the Thermal InfraRed Sensor (TIRS), was launched on February 11, 2013. Its on-orbit check out period or commissioning phase lasted about 90 days. During this phase the spacecraft and its instruments were activated,...
Paleogeographic insights based on new U-Pb dates for altered tuffs in the Miocene Barstow Formation, California
David M. Miller, Jose E. Rosario, Shannon R. Leslie, Jorge A. Vazquez
2013, Conference Paper, Raising Questions in the Central Mojave Desert
The type section of the Barstow Formation in the Mud Hills, north of Barstow, is a reference section for early to middle Miocene paleontology, magnetostratigraphy, and dated volcanic episodes. Thanks to this robust chronologic framework, much of the interpretation of the paleogeography of the region from about 18 Ma to...
WICCI Wildlife Working Group Report
Olivia E. LeDee, Suzanne Hagell, K. Martin, David McFarland, Michael Meyer, Andy Paulios, Christine A. Ribic, D. Sample, Timothy R. Van Deelen
2013, Report
Wisconsin is world-renowned for its diversity of ecological landscapes and wildlife populations. The northern forests, southern prairies, and interior and coastal wetlands of the state are home to more than 500 terrestrial animal species. These animals supply the Wisconsin public with aesthetic, cultural, and economic benefits; our identity and economy...
Seismicity associated with the May 2010 eruption of South Sarigan Seamount, Northern Mariana Islands
Cheryl Searcy
2013, Seismological Research Letters (84) 1055-1061
On 29 May 2010, at approximately 11:48 UTC, an undersea volcano south of Sarigan in the Northern Mariana Islands (Figs. 1 and 2) erupted sending a cloud of volcanic ash and water vapor to 40,000 feet (12 km; Washington Volcanic Ash Advisory Center). Bathymetric data (Stern and Smoot, 1998; Embley et al., 2007)...
Fungal degradation of coal as a pretreatment for methane production
Rizwan Haider, Muhammad A. Ghauri, John R. SanFilipo, Elizabeth J. Jones, William H. Orem, Calin A. Tatu, Kalsoom Akhtar, Nasrin Akhtar
2013, Fuel (104) 717-725
Coal conversion technologies can help in taking advantage of huge low rank coal reserves by converting those into alternative fuels like methane. In this regard, fungal degradation of coal can serve as a pretreatment step in order to make coal a suitable substrate for biological beneficiation. A fungal isolate MW1,...
