Analysis of summer 2002 melt extent on the Greenland ice sheet using MODIS and SSM/I data
D. K. Hall, R.S. Williams, K. Steffen, Janet Y.L. Chien
2004, Conference Paper, IGARSS '04 Proceedings
Previous work has shown that the summer of 2002 had the greatest area of snow melt extent on the Greenland ice sheet ever recorded using passive-microwave data. In this paper, we compare the 0deg isotherm derived from the Moderate-Resolution Imaging Spectroradiometer (MODIS) instrument, with Special Sensor Microwave/Imager (SSM/I)-derived melt, at...
The depositional history of three freshwater lakes in north central Florida: Brooklyn Lake, Levy's Prairie, and Cowpen Lake
Nancy T. DeWitt
2004, Thesis
Florida has approximately 7800 lakes that are heavily concentrated in the north-central part of the state—a mantled karst terrain. Although much research has been conducted in Florida’s lakes, there is not much information on the sedimentary infill. The focus of this research is to define the sedimentary infill of three...
The history of recent limnological changes and human impact on Upper Klamath Lake, Oregon
J. Platt Bradbury, Steve M. Colman, Richard L. Reynolds
2004, Journal of Paleolimnology (31) 165
Hypereutrophic Upper Klamath Lake has been studied for almost 50 years to evaluate the nature, cause, and effects of its very productive waters. Mitigation of undesirable effects of massive cyanobacterial blooms requires understanding their modern causes as well as their history. Knowledge of the pre-settlement natural limnology of this system...
Strength and acoustic properties of Ottawa sand containing laboratory-formed methane gas hydrate
William J. Winters, William F. Waite, David H. Mason
2004, Book chapter, Advances in the study of gas hydrates
Although gas hydrate occurs in a wide variety of sediment types and is present and even pervasive at some locations on continental margins, little is known about how it forms naturally. Physical properties of the resultant gas hydrate-sediment mixtures, data needed for input into models that predict location and quantity...
Acidity and Alkalinity in mine drainage: Practical considerations
III Cravotta, Carl S. Kirby
2004, Conference Paper, Proceedings America Society of Mining and Reclamation
In this paper, we emphasize that the Standard Method hot peroxide treatment procedure for acidity determination (hot acidity) directly measures net acidity or net alkalinity, but that more than one water-quality measure can be useful as a measure of the severity of acid mine drainage. We demonstrate that the hot...
Water Resources Data-Washington Water Year 2003
R. A. Kimbrough, R. R. Smith, G.P. Ruppert, W.D. Wiggins
2004, Water Data Report WA-03-1
This report includes records on both surface and ground water in the State. The report contains discharge records for 248 stream-gaging stations, stage-only records for 11 stream-gaging stations, discharge measurements for 113 miscellaneous measurement sites, and annual maximum discharge for 4 crest-stage partial-record stations; stage and (or) contents records for...
Using MODIS Terra 250 m imagery to map concentrations of total suspended matter in coastal waters
R. L. Miller, Brent A. McKee
2004, Remote Sensing of Environment (93) 259-266
Acidity and alkalinity in mine drainage: Theoretical considerations
Carl S. Kirby, Charles A. Cravotta III,
2004, Conference Paper, Proceedings America Society of Mining and Reclamation, 2004
Acidity, net acidity, and net alkalinity are widely used parameters for the characterization of mine drainage, but these terms are not well defined and are often misunderstood. Incorrect interpretation of acidity, alkalinity, and derivative terms can lead to inadequate treatment design or poor regulatory decisions. We briefly explain derivations of...
Preliminary geologic map of the Nevada and Arizona parts of the Mount Manchester quadrangle
Kyle House, Keith A. Howard, Philip A. Pearthree, John W. Bell
2004, Nevada Bureau Mines & Geology Report 2004-04
This map was prepared as part of the STATEMAP component of the National Cooperative Geologic Mapping Program in cooperation with the U.S. Geological Survey....
Origin of the Bering Sea salient
J.M. Amato, J. Toro, Thomas E. Moore
2004, GSA Special Papers (383) 131-144
Our investigations in Alaska and Russia show that the curved orogen of the Bering Strait region is a composite feature that formed as a result of multiple superimposed events and cannot be related to latest Cretaceous–early Tertiary east-west shortening. Relations interpreted to record east-west shortening include the Chukchi syntaxis, deformation...
Paleolimnology and paleoclimate studies in Upper Klamath Lake, Oregon
S.M. Colman, J. Platt Bradbury, Joseph G. Rosenbaum
2004, Journal of Paleolimnology (31) 129-138
The subsiding Upper Klamath Lake Basin contains sediments that were continuously deposited in a shallow, freshwater lake for more than 40 000 years. Well dated by radiometric methods and containing volcanic ashes of known age, these sediments constitute a valuable paleoclimate record. Sediment constituents and properties that reflect past climatic...
Using Forward Looking Infrared (FLIR) imagery to detect polar bear maternal dens: Operations manual
Geoffrey S. York, Steven C. Amstrup, Kristin S. Simac
2004, BOEM MMS 2004-062
Recent research has shown that Forward Looking Infia-Red (FLIR) imagery can detect polar bear dens despite total snow cover over their deming habitat. FLIR imagers detect a AT or difference in temperature between objects in the imager's field of view. During the Arctic winter, the groundlsnow surface is typically cold,...
Seafloor habitat mapping and classification in Glacier Bay, Alaska: Phase 1 & 2 1996-2004
Philip N. Hooge, Paul R. Carlson, Jennifer Mondragon, Lisa L. Etherington, G.R. Cochran
2004, Report
Glacier Bay is a diverse fjord ecosystem with multiple sills, numerous tidewater glaciers and a highly complex oceanographic system. The Bay was completely glaciated prior to the 1700’s and subsequently experienced the fastest glacial retreat recorded in historical times. Currently, some of the highest sedimentation rates ever observed occur in...
Leaky coastal margins; examples of enhanced coastal groundwater and surface-water exchange from Tampa Bay and Crescent Beach submarine spring, Florida, USA
P.W. Swarzenski, J. L. Kindinger
A.H.D. Cheng, D. Ouazar, editor(s)
2004, Book chapter, Coastal aquifer management: Monitoring, modeling, and case studies
No abstract available...
GAP Analysis Bulletin Number 12
Water Resources Division, U.S. Geological Survey
2004, GAP Bulletin 12
Testing archival tag technology in coho salmon
Jennifer L. Nielsen, Philip Richards, Thor Tingey, Derek Wilson, Christian E. Zimmerman
2004, Report
Archive tags with temperature and light-geolocation sensors will be monitored for post-smolt coho salmon in Cook Inlet. Light/location relationships specific to the Gulf of Alaska developed under Project 00478 will be applied in this study of movement and migration paths for coho salmon during maturation in ocean environments in Cook...
The legacy of contaminated sediments in Boston Harbor
Frank T. Manheim
2004, Report
Scientists at the U.S. Geological Survey (USGS) have assembled a significant body of data that is now in a usable form. The USGS adopted an interdisciplinary approach to begin the pioneering effort at data rescue. This work involved collaboration with the Environmental Protection Agency (EPA), the U.S....
Gulf of Mexico Integrated Science - Tampa Bay Study Overview
Kimberly Yates
2004, Open-File Report 2004-1449
The U.S. Geological Survey's Gulf of Mexico Integrated Science - Tampa Bay Study combines the expertise of federal, state, and local partners to address some of the most pressing ecological problems of the Tampa Bay estuary. This project serves as a template for integrated research projects in other coastal ecosystems...
Geologic map of the Verdi Peak Quadrangle, Elko County, Nevada
Keith A. Howard, T. MacCready
2004, Nevada Bureau of Mines and Geology Map 147
A 1:24,000-scale, full-color geologic map of the Verdi Peak 7.5-minute quadrangle in Elko County, Nevada, with one cross section and descriptions of 19 rock units. Accompanying text describes the geology of the quadrangle. ...
Comment on “Probabilistic risk analysis for a high-level radioactive waste repository” by B. L. Cohen in risk analysis, volume 23, 909–915
R.C. Ewing, C.S. Palenik, Leonard F. Konikow
2004, Risk Analysis (24) 1417-1419
No abstract available....
Weathering of the meade peak phosphatic shale member, phosphoria formation: Observations based on uranium and its decay products
Robert A. Zielinski, James R. Budahn, Richard I. Grauch, J. B. Paces, K. R. Simmons
2004, Book chapter, Handbook of exploration and environmental geochemistry
Variably weathered outcrop samples of the Meade Peak Phosphatic Shale Member of the Phosphoria Formation have 5-10% of the contained uranium (U) in a form readily extractable by 0.1 M sodium bicarbonate. Fission track radiography of outcrop samples and other less-weathered channel and core samples indicate that this mobile fraction...
User's Guide for the MapImage Reprojection Software Package, Version 1.01
Michael P. Finn, Jason R. Trent
2004, Open-File Report 2004-1394
Scientists routinely accomplish small-scale geospatial modeling in the raster domain, using high-resolution datasets (such as 30-m data) for large parts of continents and low-resolution to high-resolution datasets for the entire globe. Recently, Usery and others (2003a) expanded on the previously limited empirical work with real geographic data by compiling and...
Adding nuclear to the mix
W.I. Finch
2004, Geotimes (49) 6-6
No abstract available. ...
Book review: Earth’s magnetism in the age of sail
Jeffrey J. Love
2004, Physics of the Earth and Planetary Interiors (147) 354-364
For many centuries, the source, behavior, and even the essential nature of geomagnetism were enigmatic. Despite this, the effect of geomagnetism was familiar, by imparting a directional preference on the magnetized needle of the compass and providing a useful, if somewhat annoyingly complicated, reference for navigators. Although the compass seems...
Fluctuations in a metapopulation of nesting four-toed salamanders, Hemidactylium scutatum, in the Great Smoky Mountains National Park, USA, 1999-2003
Jeffrey D. Corser, C.K. Dodd Jr.
2004, Natural Areas Journal (24) 135-140
We tested two predictions associated with the hypothesis that certain populations of pond-breeding amphibians are structured into metapopulations using minimum relative abundance estimates of nesting four-toed salamanders (Hemidactylium scutatum Schlegel) from 11 different ponds in the Great Smoky Mountains National Park. Coefficients of variation (CV) for counts at individual ponds...
