Mark L. DeMulder, Wayne G. Rohde, J. Donnelly
1997, Geotimes (42) 22-25
No abstract available....
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Publication Extents
Not all publications have extents, not all extents are completely accurateBradley C. Reed, Limin Yang
1997, Geocarto International (12) 65-71
The U.S. Geological Survey's EROS Data Center has created a prototype 1‐km resolution data base of vegetation seasonal characteristics. The characteristics are derived from time‐series NDVI data collected by the AVHRR satellite sensor. Information covering the 5 years 1989–1993 is included in the data base. Although quantitative validation of the...
M.J. Suarez, W. J. Emery, G.A. Wick
1997, Journal of Atmospheric and Oceanic Technology (42) 22-25
A new multichannel infrared sea truth radiometer has been designed and built to improve validation of satellite-determined sea surface temperature. Horizontal grid polarized filters installed on the shortwave channels are very effective in reducing reflected solar radiation and in improving the noise characteristics. The system uses a continuous (every other...
L.L. Tieszen, Bradley C. Reed, Norman B. Bliss, Bruce K. Wylie, Benjamin D. DeJong
1997, Ecological Applications (7) 59-78
The distributions of C3 and C4 grasses were used to interpret the distribution, seasonal performance, and potential production of grasslands in the Great Plains of North America. Thirteen major grassland seasonal land cover classes were studied with data from three distinct sources. Normalized Difference Vegetation Index (NDVI) data derived from...
J. C. Tappeiner II, D. Huffman, T. Spies, John D. Bailey
1997, Canadian Journal of Forest Research (27) 638-648
We studied the ages and diameter growth rates of trees in former Douglas-fir (Pseudotsuga menziesii (Mirb.)Franco) old-growth stands on 10 sites and compared them with young-growth stands (50-70 years old, regenerated after timber harvest) in the Coast Range of western Oregon. The diameters and diameter growth rates for the first...
Susan F. McDonald, Steven J. Hamilton, Kevin J. Buhl, James F. Heisinger
1997, Environmental Toxicology and Chemistry (16) 1370-1376
Acute toxicity tests were conducted with Hyalella azteca Saussure (an amphipod) exposed in soft and hard waters to three fire retardants (Fire-Trol GTS-R, Fire-Trol LCG-R, and Phos-Chek D75-F) and two foam suppressants (Phos-Chek WD-881 and Silv-Ex). The chemicals were slightly to moderately toxic to amphipods. The most toxic chemical to...
A. S. McEwen, Johnnie N. Moore, E.M. Shoemaker
1997, Journal of Geophysical Research E: Planets (102) 9231-9242
The relatively recent (<1 b.y.) flux of asteroids and comets forming large craters on the Earth and Moon may be accurately recorded by craters with bright rays on the Moon's farside. Many previously unknown farside rayed craters are clearly distinguished in the low-phase-angle images returned by the...
Yousif K. Kharaka, Gil Ambats, James J. Thordsen, Roy A. Davis
1997, Water Resources Research (33) 1013-1020
Groundwater brine seepage into the Dolores River in Paradox Valley, Colorado, increases the dissolved solids load of the Colorado River annually by ∼2.0 × 108 kg. To abate this natural contamination, the Bureau of Reclamation plans to pump ∼3540 m3/d of brine from 12 shallow wells located along the Dolores River....
D.G. Elliott, R.J. Pascho, L.M. Jackson, G.M. Matthews, J.R. Harmon
1997, Journal of Aquatic Animal Health (9) 114-126
We evaluated Renibaeterium salmoninarum infection in smolts of hatchery and wild spring-summer Chinook salmon Oncorhynchus tshawytscha sampled during most of the outmigration at Little Goose (1988) and Lower Granite dams (1988–1991) on the Snake River and at Priest Rapids and McNary dams on the Columbia River (1988–1990). We sampled 860–2,178...
W.E. Barber, R. L. Smith, M. Vallarino, R.M. Meyer
1997, Fishery Bulletin (95) 195-209
We documented the distribution and abundance of demersal fishes in the northeastern Chukchi Sea, Alaska, in 1990 and 1991, and described 1990 demersal fish assemblages and their relationship to general oceanographic features in the area. We collected samples using an otter trawl at 48 stations in 1990 and 16 in...
B. H. Lidz, E.A. Shinn, A. C. Hine, S. D. Locker
1997, Journal of Coastal Research (13) 711-731
Closely spaced, high-resolution, seismic-reflection profiles acquired off the upper Florida Keys (i.e., north) reveal a platform-margin reef-and-trough system grossly similar to, yet quite different from, that previously described off the lower Keys (i.e., south). Profiles and maps generated for both areas show that development was controlled by antecedent Pleistocene topography...
Theresa L. Martinelli, Rip S. Shively
1997, Regulated Rivers: Research & Management (13) 543-556
We tracked 335 northern squawfish implanted with radio transmitters in the Columbia River in May–December 1993 and May–September 1994. Most fish were released near The Dalles and John Day dams, with the remaining fish released into reservoir areas away from dams. We used boats with mounted Yagi antennas, fixed site...
T.H. Chen, A. Henderson-Sellers, P. C. D. Milly, A.J. Pitman, A.C.M. Beljaars, J. Polcher, F. Abramopoulos, A. Boone, S. Chang, F. Chen, Y. Dai, C.E. Desborough, R.E. Dickinson, L. Dumenil, M. Ek, J.R. Garratt, N. Gedney, Y.M. Gusev, J. Kim, R. Koster, E.A. Kowalczyk, K. Laval, J. Lean, D. Lettenmaier, X. Liang, Jean-Francois Mahfouf, H.-T. Mengelkamp, Ken Mitchell, O.N. Nasonova, J. Noilhan, A. Robock, C. Rosenzweig, J. Schaake, C.A. Schlosser, J.-P. Schulz, Y. Shao, A.B. Shmakin, D.L. Verseghy, P. Wetzel, E.F. Wood, Y. Xue, Z.-L. Yang, Q. Zeng
1997, Journal of Climate (10) 1194-1215
In the Project for Intercomparison of Land-Surface Parameterization Schemes phase 2a experiment, meteorological data for the year 1987 from Cabauw, the Netherlands, were used as inputs to 23 land-surface flux schemes designed for use in climate and weather models. Schemes were evaluated by comparing their outputs with long-term measurements of...
A. Forster, J. Schrotter, D. F. Merriam, D.D. Blackwell
1997, Geophysics (62) 1107-1113
Continuous‐temperature depth logs, especially when recorded in boreholes under thermal equilibrium conditions, provide detailed information of the subsurface thermal structure, which is necessary for the determination of reliable heat‐flow and rock thermal properties. In conjunction with independent thermal‐conductivity determinations, thermal logging data also allow the separation of heat conduction effects...
J.E. Lovich
1997, People, Land, and Water (4) 12
No abstract available at this time...
S.A. Sipkin, M.D. Zirbes
1997, Physics of the Earth and Planetary Interiors (101) 291-301
Moment-tensor solutions, estimated using optimal filter theory, are listed for 241 moderate-to-large size earthquakes that occurred during 1995. ?? 1997 Published by Elsevier Science B.V....
M.J. Parsley, Allen I. Miller, T.D. Counihan, M.N. Morgan, D. Gallion
1997, Report
No abstract available ...
M.D. Medrano, D.Z. Piper
1997, Chemical Geology (138) 9-23
Concentrically zoned phosphatic-enriched concretions were collected at three sites from the Monterey Formation. The following minerals were identified: vivianite, lipscombite, rockbridgeite, leucophosphite, mitridatite, carbonate fluorapatite, nontronite, todorokite, and barite. The mineralogy of the concretions was slightly different at each of the three collection sites. None of the concretions contains all...
Jielun Sun, T.A. Brady, M.J. Rood, C.M. Lehmann, M. Rostam-Abadi, A.A. Lizzio
1997, Energy and Fuels (11) 316-322
Activated carbons for natural gas storage were produced from Illinois bituminous coals (IBC-102 and IBC-106) and scrap tires by physical activation with steam or CO2 and by chemical activation with KOH, H3PO4, or ZnCl2. The products were characterized for N2-BET area, micropore volume, bulk density, pore size...
S. C. Williams-Stroud, J. Paul
1997, Journal of Structural Geology (19) 897-907
The importance of tectonic processes in initiating halite diapirs has become much better understood in recent years. Less well understood is the development of diapiric structures involving rocks composed predominantly of gypsum. Below about 1000 m, gypsum dehydrates to anhydrite, which...
T. M. Cronin, M.E. Raymo
1997, Nature (385) 624-627
Explanations for the temporal and spatial patterns of species biodiversity focus on stability-time, disturbance-mosaic (biogenic microhabitat heterogeneity) and competition-predation (biotic interactions) hypotheses. The stability-time hypothesis holds that high species diversity in the deep sea and in the tropics reflects long-term climatic stability. But the influence of climate change on deep-sea...
B. Brandon Curry
1997, Canadian Journal of Earth Sciences (34) 699-708
The ionic composition and salinity of Lake Manitoba and its late-glacial precursor, Lake Agassiz, changed significantly over the past 11 000 years. The paleochemical record reported here is based on modern analog environments of ostracodes identified in a new 14.5 m core from southern Lake Manitoba. The ionic composition of Lake Manitoba...
Christine M. Custer, T. W. Custer
1997, Journal of Great Lakes Research (23) 108-115
We measured biomass, percent coverage, and length-frequency of zebra mussels in near-shore areas of western Lake Erie between 16 September and 10 November 1993 as part of a larger study on the ecological relationship between diving ducks and zebra mussels. Wet...
M.M. Morrissey, B. A. Chouet
1997, Science (275) 1290-1293
Explosive volcanic eruptions generate pressure disturbances in the atmosphere that propagate away either as acoustic or as shock waves, depending on the explosivity of the eruption. Both types of waves are recorded on microbarographs as 1- to 0.1-hertz N-shaped signals followed by a longer period coda. These waveforms can be...
Raymond J. Greenwood, Wesley E. Newton, Gary L. Pearson, George J. Schamber
1997, Journal of Wildlife Diseases (33) 226-241
We observed a total of 102 striped skunks (Mephitis mephitis) from March to July of both 1991 and 1992 in Stutsman County, North Dakota (USA) during an experiment with food supplementation. Twenty-three apparently healthy skunks in 1991 and 56 in 1992 were equipped with radio-collars. In 1991, one of the...