Conference Papers
Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.
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The use of a spatial and tabular data base for order-three soil surveys
No abstract available.
Authors
E. H. Horvath, A. A. Klingebiel, D. G. Moore
A new isostatic residual gravity map of the conterminous United States
In order to display more clearly the gravity anomalies caused by bodies of geologic interest in the crust, a new colored isostatic residual gravity map of the conterminous United States has been prepared using the gravity data set compiled for the Gravity Anomaly Map of the United States (SEG, 1982). The isostatic residual map is based on an Airy-Heiskanen model of local compensation, with the sur
Authors
Robert W. Simpson, Robert C. Jachens, Richard W. Saltus, Richard J. Blakely
Selected environmental decisionmaking processes related to developments in the Gulf of Mexico region
No abstract available.
Authors
James B. Johnston
Planning considerations for recording the next major earthquake in California
No abstract available.
Authors
Roger D. Borcherdt, B. A. Bolt
Comparison of cubic-convolution interpolation and least-squares restoration for resampling Landsat MSS imagery
No abstract available.
Authors
L. S. Kalman
An evaluation of a new statistical approach to traditional linear destriping
No abstract available.
Authors
M. E. Richards
A comparison of eruption and magma reservoirs of Krakatau, Mount St Helens and Galunggung
No abstract available
Authors
C. G. Newhall, R.W. Decker, A.S. Sumartadipura, R. I. Tilling, D. W. Peterson
ANALYZING NUMERICAL ERRORS IN DOMAIN HEAT TRANSPORT MODELS USING THE CVBEM.
Besides providing an exact solution for steady-state heat conduction processes (Laplace Poisson equations), the CVBEM (complex variable boundary element method) can be used for the numerical error analysis of domain model solutions. For problems where soil water phase change latent heat effects dominate the thermal regime, heat transport can be approximately modeled as a time-stepped steady-state
Authors
T. V. Hromadka
ANNIE - INTERACTIVE PROCESSING OF DATA BASES FOR HYDROLOGIC MODELS.
ANNIE is a data storage and retrieval system that was developed to reduce the time and effort required to calibrate, verify, and apply watershed models that continuously simulate water quantity and quality. Watershed models have three categories of input: parameters to describe segments of a drainage area, linkage of the segments, and time-series data. Additional goals for ANNIE include the develo
Authors
Alan M. Lumb, John L. Kittle
Application of the 1:2,000,000-scale data base: A National Atlas sectional prototype
A study of the potential to produce a National Atlas sectional prototype from the 1:2,000,000-scale data base was concluded recently by the National Mapping Division, U. S. Geological Survey. This paper discusses the specific digital cartographic production procedures involved in the preparation of the prototype map, as well as the theoretical and practical cartographic framework for the study. Su
Authors
Donna M. Dixon
APPLICATION OF THE AERIAL PROFILING OF TERRAIN SYSTEM.
The U. S. Geological Survey has completed the performance evaluation flight tests of the Aerial Profiling of Terrain System (APTS) and is now performing a series of application tests to determine its effectiveness and efficiency as an earth-science data collection tool. These tests are designed to evaluate the APTS at such tasks as positioning water wells, testing reliability of older maps, measur
Authors
Edward J. Cyran
APPLICATIONS OF BOREHOLE-ACOUSTIC METHODS IN ROCK MECHANICS.
Acoustic-logging methods using a considerable range of wavelengths and frequencies have proven very useful in the in situ characterization of deeply buried crystalline rocks. Seismic velocities are useful in investigating the moduli of unfractured rock, and in producing a continuous record of rock quality for comparison with discontinuous intervals of core. The considerable range of frequencies ma
Authors
Frederick L. Paillet