Lead isotopic fingerprinting of tectono-stratigraphic terranes, east-central Alaska
John N. Aleinikoff, Cynthia Dusel-Bacon, Helen Laura Foster, Warren J. Nokleberg
1987, Canadian Journal of Earth Sciences (24) 2089-2098
Common lead isotopic compositions have been determined on feldspars from meta-igneous rocks from nine tectono-stratigraphic terranes or subterranes in east-central Alaska. Most of the terranes have distinct and well-defined signatures in terms of isotopic composition; thus, most can be distinguished on conventional...
Monitoring the fire-danger hazard of Nebraska rangelands with AVHRR data
F. G. Sadowski, D. E. Westover
1987, Conference Paper, Technical papers of the 10th Canadian Symposium on Remote Sensing
No abstract available....
Principal kinds of soils: orders, suborders, and great groups
United States Soil Conservation Service
1987, Report, National atlas of the United States
No abstract available....
A topographic base for GIS from automated TINs and image-processed DEMs
Richard J. Pike, Gail P. Thelin, William Acevedo
Russell G. Congalton, editor(s)
1987, Conference Paper, GIS '87 - San Francisco: "into the hands of the decision maker": second annual International Conference, Exhibits and Workshops on Geographic Information Systems, Hotel Nikko, San Francisco, California, October 26-30, 1987
Snowpack ion accumulation and loss in a basin draining to Lake Superior
Robert Stottlemyer
1987, Canadian Journal of Fisheries and Aquatic Sciences (44) 1812-1819
The objective of this study was to relate winter precipitation ionic inputs, snowpack retention, and change in first-order stream chemistry with spring snowpack melt. During winter 1982–83, measurement of precipitation inputs, snowpack concentration and loading, and streamwater concentration and discharge of Ca2+, K+, H+, NO3−, and SO42− from a 176-ha...
Passive margins: U.S. Geological Survey Line 19 across the Georges Bank basin
Kim D. Klitgord, John S. Schlee, John A. Grow
A.W. Bally, editor(s)
1987, AAPG Studies in Geology 27
Georges Bank is a shallow part of the Atlantic continental shelf southeast of New England (Emery and Uchupi, 1972, 1984). This bank, however, is merely the upper surface of several sedimentary basins overlying a block-faulted basement of igneous and metamorphic crystalline rock. Sedimentary rock forms a seaward-thickening cover that has...
Discussion of "Average annual fulfillment of instream uses" by R. L. Smith and W. J. Carswell, Jr. (October, 1984, Vol. 110, No. 4)
Robert T. Milhous
1987, Journal of Water Resources Planning and Management (113) 443-444
No abstract available....
Fitting straight lines in the earth sciences
B.M. Troutman, G. P. Williams
1987, Book chapter, Use and abuse of statistical methods in the earth sciences
No abstract available. ...
River basins of the United States: the Colorado
Water Resources Division, U.S. Geological Survey
1987, Report
This leaflet, one of a series on the river basins of the United States, contains information on the Colorado River Basin, including a brief early history, a description of the physical characteristics, and other statistical data. At present, other river basins included in the series are The Columbia, The Delaware,...
Breeding bird response to cattle grazing of a cottonwood bottomland
James A. Sedgwick, Fritz L. Knopf
1987, Journal of Wildlife Management (51) 230-237
We studied avian habitat relationships and the impact of grazing on breeding densities of selected migratory birds in a plains cottonwood (Populus sargentii) bottomland in northeastern Colorado. Five 16-ha plots served as controls and 5 were fenced and fall-grazed October-November 1982-84 following a season of pre-treatment study in the spring...
Incorporating activity time in harmonic home range analysis
Michael D. Samuel, Edward O. Garton
1987, Journal of Wildlife Management (51) 254-257
The amount of time an animal spends in particular areas is an important aspect of estimating its home range and activity pattern. Calculations of home range using the harmonic mean can be modified to reflect the amount of time or the type of activity observed at each location. The...
Evaluation of pitfall trapping in northwestern forests: Trap arrays with drift fences
R. Bruce Bury, Paul Stephen Corn
1987, Journal of Wildlife Management (51) 112-119
We operated pitfall arrays with 5-m drift fences at 30 stands in western Oregon and Washington for 180 days. Pitfall arrays had a pronounced removal effect on small mammals (but not on the herpetofauna) during the 1st 60 days of trapping. Conventional short (10-day) trapping periods were only adequate to...
Variation of wet deposition chemistry in Sequoia National Park, California
Thomas J. Stohlgren, David J. Parsons
1987, Atmospheric Environment (21) 1369-1374
Sequoia National Park has monitored wet deposition chemistry in conjunction with the National Atmospheric Deposition Program and National Trends Network (NADP/NTN), on a weekly basis since July, 1980. Annual deposition of H, NO3 and SO4 (0.045, 3.6, and 3.9 kg ha−1 a−1, respectively) is relatively low compared to that measured...
Isolation of organic acids from large volumes of water by adsorption on macroporous resins
George R. Aiken
I.H. Suffet, Murugan Malaiyandi, editor(s)
1987, Book chapter, Organic pollutants in water: sampling, analysis, and toxicity testing
Adsorption on synthetic macroporous resins, such as the Amberlite XAD series and Duolite A-7, is routinely used to isolate and concentrate organic acids from forge volumes of water. Samples as large as 24,500 L have been processed on site by using these resins. Two established extraction schemes using XAD-8 and...
Missouri: index to topographic and other map coverage
Water Resources Division, U.S. Geological Survey
1987, Report
This index is designed to inform map users of the various series of maps produced and distributed by the U.S. Geological Survey....
Bioconcentration of creosote compounds in snails obtained from Pensacola Bay, Florida, near an onshore hazardous-waste site
C. E. Rostad, W. E. Pereira
Robert C. Averett, editor(s)
1987, Book chapter, Chemical quality of water and the hydrologic cycle
No abstract available. ...
A comparison of two methods for the simultaneous determination of TFM and Bayer 73 concentrations
R.J. Scholefield
1987, Technical Report 50
Abstract not submitted to date...
U.S. Geological Survey: earth science in the public service
Water Resources Division, U.S. Geological Survey
1987, Report
No abstract available....
Geology of the Blue Mountains region of Oregon, Idaho, and Washington; the Idaho Batholith and its border zone
T.L. Vallier, Howard C. Brooks, editor(s)
1987, Professional Paper 1436
No abstract available....
Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1985, with 1934-85 summary
G. B. Ozuna, G.M. Nalley, M. N. Bowman
1987, Edwards Underground Water District Bulletin 45
No abstract available....
Some effects of climate variability on hydrology in western North America
D. H. Peterson, D.R. Cayan, J. S. Dileo-Stevens, T.G. Ross
1987, Conference Paper, The influence of climate change and climatic variability on the hydrologic regime and water resources (Proceedings of the Vancouver Symposium, August 1987), IAHS Publication no. 168
The strong north-south gradient in precipitation along the West Coast makes this region an interesting laboratory for studying the influence of climate on runoff variability in general and riverine chemistry in particular. Interannual fluctuations in large-scale atmospheric circulation and associated precipitation and runoff can produce major disruptions in the "average"...
Flood characteristics for the Nisqually River and susceptibility of Sunshine Point and Longmire facilities to flooding in Mount Rainier National Park, Washington
L. M. Nelson
1987, Water-Resources Investigations Report 86-4179
Inundation from 25-, 50-, 100-, and 500-year floods at Sunshine Point and Longmire facilities and the Longmire visitors ' center and ranger station generally is not a serious hazard as long as the existing dikes and banks of the Nisqually River and Tahoma Creek remain intact and flood capacities of...
PYROLYSIS/GAS CHROMATOGRAPHY/MASS SPECTROMETRY OF A SERIES OF BURIED WOODS AND COALIFIED LOGS THAT INCREASE IN RANK FROM PEAT TO SUBBITUMINOUS COAL.
Patrick G. Hatcher, Harry E. Lerch, Rama K. Kotra, Vincent T. Verheyen
1987, Conference Paper, ACS Division of Fuel Chemistry, Preprints
To better understand the coalification process, we have conducted numerous studies of the chemical structural composition of xylem tissue from gymosperm wood and related woods that has been coalified to varying degrees. The studies presented here, examine the chemical nature of buried and coalified xylem tissue at the molecular level....
Diagenetic palaeotemperatures from aqueous fluid inclusions: re-equilibration of inclusions in carbonate cements by burial heating
R.C. Burruss
1987, Mineralogical Magazine (51) 477-481
Diagenetic palaeotemperatures determined from aqueous fluid inclusions can be affected by re-equilibration during burial heating. Calculations based on the observed behaviour of inclusions in fluorite under external confining pressure allows prediction of the temperatures and depths of burial necessary to initiate re-equilibration of aqueous inclusions in the common size range...
Variable delay miniservo-control unit
M.A. Uhrich
1987, WRD Instrument News
No abstract available. ...
