Effects of global atmospheric perturbations on forest ecosystems in the Northern Temperate Zone; Predictions of seasonal depressed-temperature kill mechanisms, biomass production, and wildfire soot emissions
Richard W. Tinus
Rocky Mountain Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service, Flagstaff, Arizona 86001
David J. Roddy
Branch of Astrogeology, U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
COMPUTER SIMULATIONS OF LARGE ASTEROID IMPACTS INTO OCEANIC AND CONTINENTAL SITES--PRELIMINARY RESULTS ON ATMOSPHERIC, CRATERING AND EJECTA DYNAMICS
David J. Roddy*, Sheldon H. Schuster**, Martin Rosenblatt**, Lisa B. Grant**, Paul J. Hassig**, Kenneth N. Kreyenhagen**
*U.S. Geological Survey, Flagstaff, Arizona
**California Research and Technology, Chatsworth, Calif.
Computer code simulations of the formation of Meteor Crater, Arizona: Calculations MC-1 and MC-2
David J. Roddy1, Sheldon H. Schuster2, Kenneth N. Kreyenhagen2 Dennis L. Orphal3
1) U.S. Geological Survey, Branch of Astrogeologic Studies, Flagstaff, Arizona 86001, 2) California Research and Technology, Incorporated, Woodland Hills, California 91367, 3) California Research and Technology, Incorporated, Livermore, California 94550
Structural deformation at the Flynn Creek impact crater, Tennessee: A preliminary report on deep drilling
David J. Roddy
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
Pre-impact geologic conditions, physical properties, energy calculations, meteorite and initial crater dimensions and orientations of joints, faults and walls at Meteor Crater, Arizona
David J.Roddy
U. S. Geological Survey, 2255 N. Gemini Drive, Flagstaff, Arizona 86001
Large-scale impact and explosion craters: Comparisons of morphological and structural analogs
David J.Roddy
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
Tabular comparisons of the Flynn Creek impact crater, United States, Steinheim impact crater, Germany and Snowball explosion crater, Canada
David J.Roddy
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
Pre-impact conditions and cratering processes at the Flynn Creek Crater, Tennessee
DAVID J. RODDY
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
Shatter cones formed in large-scale experimental explosion craters
DAVID J. RODDY
U.S. Geological Survey, Branch of Astrogeologic Studies, 2255 North Gemini Drive, Flagstaff, Arizona 86001
L. KlM DAVIS
U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi 39180
Numerical simulations of a 20-ton TNT detonation on the earth's surface and implications concerning the mechanics of central uplift formation
GILBERT WAYNE ULLRICH
Air Force Weapons Laboratory, Kirtland Air Force Base, New Mexico 87118
DAVID J. RODDY
U.S. Geological Survey, Flagstaff, Arizona, 86001
GENE SIMMONS
Department of Earth and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Cratering motions and structural deformation in the rim of the Prairie Flat multiring explosion crater
DAVID J. RODDY
2255 North Gemini Drive, U.S. Geological Survey, Flagstaff, Arizona 86001
GILBERT W. ULLRICH
U.S. Air Force Weapons Laboratory, DYN, Kirtland AFB, New Mexico 87117
FRED M. SAUER
2700 Merced St., Physics International Co., San Leandro, California 94577
G. H. S. JONES
Defence Research Board, National Defence Headquarters, 101 Colonel By Drive, Ottawa, Canada
High-explosive cratering analogs for bowl-shaped, central uplift, and multiring impact craters
DAVID J. RODDY
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
Meteor Crater, Arizona, rim drilling with thickness, structural uplift, diameter, depth, volume, and mass-balance calculations
D. J. RODDY, J. M. BOYCE, G. W. COLTON, and A. L. DIAL, JR.
U.S. Geological Survey, 2255 North Gemini Drive, Flagstaff, Arizona 86001
THE FLYNN CREEK CRATER, TENNESSEE
DAVID J. RODDY
Branch of Astrogeologic Studies, U.S. Geological Survey, Flagstaff, Arizona 86001