Modeling species occurrence dynamics with multiple states and imperfect detection
D.I. MacKenzie, J.D. Nichols, M.E. Seamans, R. J. Gutierrez
2009, Ecology (90) 823-835
Recent extensions of occupancy modeling have focused not only on the distribution of species over space, but also on additional state variables (e.g., reproducing or not, with or without disease organisms, relative abundance categories) that provide extra information about occupied sites. These biologist-driven extensions are characterized by ambiguity in both...
The Moon mineralogy mapper (M3) on Chandrayaan-1
C.M. Pieters, J. Boardman, B. Buratti, A. Chatterjee, R. Clark, T. Glavich, R. Green, J. Head, P. Isaacson, E. Malaret, T. McCord, J. Mustard, N. Petro, C. Runyon, M. Staid, J. Sunshine, L. Taylor, S. Tompkins, P. Varanasi, M. White
2009, Current Science (96) 500-505
The Moon Mineralogy Mapper (M3) is a NASA-supported guest instrument on ISRO's remote sensing mission to Moon, Chandrayaan-1. The M3 is an imaging spectrometer that operates from the visible into the near-infrared (0.42-3.0 ??m) where highly diagnostic mineral absorption bands occur. Over the course of the mission M3 will provide...
Large area scene selection interface (LASSI): Methodology of selecting landsat imagery for The Global Land Survey 2005
S. Franks, J. G. Masek, R.M.K. Headley, J. Gasch, T. Arvidson
2009, Photogrammetric Engineering and Remote Sensing (75) 1287-1296
The Global Land Survey (GLS) 2005 is a cloud-free, orthorec-tified collection of Landsat imagery acquired during the 2004 to 2007 epoch intended to support global land-cover and ecological monitoring. Due to the numerous complexities in selecting imagery for the GLS2005, NASA and the U.S. Geological Survey (USGS) sponsored the development...
Sensitivity of system stability to model structure
G.R. Hosack, H.W. Li, P.A. Rossignol
2009, Ecological Modelling (220) 1054-1062
A community is stable, and resilient, if the levels of all community variables can return to the original steady state following a perturbation. The stability properties of a community depend on its structure, which is the network of direct effects (interactions) among the variables within the community. These direct effects...
Characteristics of ground motion at permafrost sites along the Qinghai-Tibet railway
L. Wang, Z. Wu, Jielun Sun, Xiuying Liu, Z. Wang
2009, Soil Dynamics and Earthquake Engineering (29) 974-981
Based on 14 typical drilling holes distributed in the permafrost areas along the Qinghai-Tibet railway, the distribution of wave velocities of soils in the permafrost regions were determined. Using results of dynamic triaxial tests, the results of dynamic triaxiality test and time histories of ground motion acceleration in this area,...
Lipid reserves of Lesser Scaup (Aythya affinis) migrating across a large landscape are consistent with the "Spring Condition" hypothesis
M.J. Anteau, A. D. Afton
2009, The Auk (126) 873-883
The “spring condition” hypothesis (SCH) states that nutrition during spring migration affects survival, reproductive success, and, ultimately, population size of migratory birds. The North American population of Lesser Scaup (Aythya affinis) has experienced a marked decline, apparently because of poor recruitment. An important prediction of the SCH is that female...
Russian eruption warning systems for aviation
Christina A. Neal, Olga Girina, Sergey Senyukov, Alexander Rybin, Jeffery M. Osiensky, Pavel Izbekov, Gail Ferguson
2009, Natural Hazards (51) 245-262
More than 65 potentially active volcanoes on the Kamchatka Peninsula and the Kurile Islands pose a substantial threat to aircraft on the Northern Pacific (NOPAC), Russian Trans-East (RTE), and Pacific Organized Track System (PACOTS) air routes. The Kamchatka Volcanic Eruption Response Team (KVERT) monitors and reports on volcanic hazards to...
Features of lava lake filling and draining and their implications for eruption dynamics
W.K. Stovall, Bruce F. Houghton, A.J.L. Harris, D. A. Swanson
2009, Bulletin of Volcanology (71) 767-780
Lava lakes experience filling, circulation, and often drainage depending upon the style of activity and location of the vent. Features formed by these processes have proved difficult to document due to dangerous conditions during the eruption, inaccessibility, and destruction of features during lake drainage. Kilauea Iki lava lake, Kilauea, Hawai'i,...
Sedimentary basin effects in Seattle, Washington: Ground-motion observations and 3D simulations
Arthur Frankel, William Stephenson, David Carver
2009, Bulletin of the Seismological Society of America (99) 1579-1611
Seismograms of local earthquakes recorded in Seattle exhibit surface waves in the Seattle basin and basin-edge focusing of S waves. Spectral ratios of Swaves and later arrivals at 1 Hz for stiff-soil sites in the Seattle basin show a dependence on the direction to the earthquake, with earthquakes to the...
Stable isotope and petrologic evidence for open-system degassing during the climactic and pre-climactic eruptions of Mt. Mazama, Crater Lake, Oregon
C.W. Mandeville, J.D. Webster, C. Tappen, B.E. Taylor, A. Timbal, A. Sasaki, E. Hauri, C. R. Bacon
2009, Geochimica et Cosmochimica Acta (73) 2978-3012
Evaluation of the extent of volatile element recycling in convergent margin volcanism requires delineating likely source(s) of magmatic volatiles through stable isotopic characterization of sulfur, hydrogen and oxygen in erupted tephra with appropriate assessment of modification by degassing. The climactic eruption of Mt. Mazama ejected approximately 50 km3 of rhyodacitic magma into...
Petrographic and geochemical comparisons between the lower crystalline basement-derived section and the granite megablock and amphibolite megablock of the Eyreville B core, Chesapeake Bay impact structure, USA
G.N. Townsend, R.L. Gibson, J. Wright Horton Jr., W.U. Reimold, R.T. Schmitt, K. Bartosova
2009, Special Paper of the Geological Society of America 255-275
The Eyreville B core from the Chesapeake Bay impact structure, Virginia, USA, contains a lower basement-derived section (1551.19 m to 1766.32 m deep) and two megablocks of dominantly (1) amphibolite (1376.38 m to 1389.35 m deep) and (2) granite (1095.74 m to 1371.11 m deep), which are separated by an...
The surface of Mars: An unusual laboratory that preserves a record of catastrophic and unusual events
M. G. Chapman
2009, Special Paper of the Geological Society of America 1-14
Catastrophic and unusual events on Earth such as bolide impacts, megafloods, supereruptions, flood volcanism, and subice volcanism may have devastating effects when they occur. Although these processes have unique characteristics and form distinctive features and deposits, we have diffi culties identifying them and measuring the magnitude of their effects. Our...
Home range, habitat selection, and movements of California Black Rails at tidal marshes at San Francisco Bay, California
Danika C. Tsao, John Y. Takekawa, Isa Woo, Julie L. Yee, Jules G. Evens
2009, The Condor (111) 599-610
Little is known about the movements and habitat selection of California Black Rails (Laterallus jamaicensis coturniculus) in coastal California. We captured 130 Black Rails, of which we radio-marked 48, in tidal marshes in San Francisco Bay during 2005 and 2006. Our objective was to examine their home ranges, movements, and...
Using U.S. Geological Survey data in material flow analysis: An introduction
S.F. Sibley
2009, Journal of Industrial Ecology (13) 670-673
A few sources of basic data on worldwide raw materials production and consumption exist that are independently developed and freely available to the public. This column is an introduction to the types of information available from the U.S. Geological Survey (USGS), and explains how the data are assembled. The kind...
Use of morphometric measurements to differentiate between species and sex of king and clapper rails
Marie Perkins, S.L. King, S.E. Travis, J. Linscombe
2009, Waterbirds (32) 579-584
King Rails (Rallus elegans) and Clapper Rails (Rallus longirostris) are large, secretive waterbirds whose ranges overlap in brackish marshes along the Atlantic and Gulf Coasts. King and Clapper Rails are difficult to separate by physical appearance and there is currently no reliable method to distinguish between the two species. Here,...
Processes that initiate turbidity currents and their influence on turbidites: A marine geology perspective
David J. W. Piper, William R. Normark
2009, Journal of Sedimentary Research (79) 347-362
How the processes that initiate turbidity currents influence turbidite deposition is poorly understood, and many discussions in the literature rely on concepts that are overly simplistic. Marine geological studies provide information on the initiation and flow path of turbidity currents, including their response to gradient. In case studies of late...
Development of regression models to estimate flow duration statistics at ungaged streams in Oklahoma using a regional approach
R.A. Esralew
2009, Conference Paper, Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers
Multiple-regression analysis was used to develop equations for estimating annual and seasonal flow-duration statistics at ungaged streams in and near Oklahoma that are not substantially affected by human alteration. Ordinary least-squares and left-censored (Tobit) multiple-regression techniques were used to develop equations that relate these statistics, from continuous streamflow data at...
Postimpact heat conduction and compaction-driven fluid flow in the Chesapeake Bay impact structure based on downhole vitrinite reflectance data, ICDP-USGS Eyreville deep core holes and Cape Charles test holes
M.L. Malinconico, W. E. Sanford, Horton W.J.J. Wright Jr.
2009, Special Paper of the Geological Society of America 905-930
Vitrinite reflectance data from the International Continental Scientific Drilling Program (ICDP)-U.S. Geological Survey (USGS) Eyreville deep cores in the centralcrater moat of the Chesapeake Bay impact structure and the Cape Charles test holes on the central uplift show patterns of postimpact maximum-temperature distribution that result from a combination of conductive...
Sea-level rise in New Jersey over the past 5000 years: Implications to anthropogenic changes
Kenneth G. Miller, Peter J. Sugarman, James V. Browning, Benjamin P. Horton, Alissa Stanley, Alicia Kahn, Jane Uptegrove, Michael Aucott
2009, Global and Planetary Change (66) 10-18
We present a mid to late Holocene sea-level record derived from drilling the New Jersey coast that shows a relatively constant rise of 1.8??mm/yr from ~ 5000 to 500 calibrated calendar years before present (yrBP). This contrasts with previous New Jersey estimates that showed only 0.5??mm/yr rise since 2000??yrBP. Comparison...
A Multi-Level Approach to Outreach for Geologic Sequestration Projects
S.E. Greenberg, H.E. Leetaru, I.G. Krapac, K. Hnottavange-Telleen, R.J. Finley
2009, Conference Paper, Energy Procedia
Public perception of carbon capture and sequestration (CCS) projects represents a potential barrier to commercialization. Outreach to stakeholders at the local, regional, and national level is needed to create familiarity with and potential acceptance of CCS projects. This paper highlights the Midwest Geological Sequestration Consortium (MGSC) multi-level outreach approach which...
Temporal response of hydraulic head, temperature, and chloride concentrations to sea-level changes, Floridan aquifer system, USA
J.D. Hughes, H. Leonard Vacher, W. E. Sanford
2009, Hydrogeology Journal (17) 793-815
Three-dimensional density-dependent flow and transport modeling of the Floridan aquifer system, USA shows that current chloride concentrations are not in equilibrium with current sea level and, second, that the geometric configuration of the aquifer has a significant effect on system responses. The modeling shows that hydraulic head equilibrates first, followed...
Prediction of spectral acceleration response ordinates based on PGA attenuation
V. Graizer, E. Kalkan
2009, Earthquake Spectra (25) 39-69
Developed herein is a new peak ground acceleration (PGA)-based predictive model for 5% damped pseudospectral acceleration (SA) ordinates of free-field horizontal component of ground motion from shallow-crustal earthquakes. The predictive model of ground motion spectral shape (i.e., normalized spectrum) is generated as a continuous function of few parameters. The proposed...
The stable carbon isotope biogeochemistry of acetate and other dissolved carbon species in deep subseafloor sediments at the northern Cascadia Margin
Verena B. Heuer, John W. Pohlman, Marta E. Torres, Marcus Elvert, Kai-Uwe Hinrichs
2009, Geochimica et Cosmochimica Acta (73) 3323-3336
Ocean drilling has revealed the existence of vast microbial populations in the deep subseafloor, but to date little is known about their metabolic activities. To better understand the biogeochemical processes in the deep biosphere, we investigate the stable carbon isotope chemistry of acetate and other...
Producing fired bricks using coal slag from a gasification plant in indiana
L.-M. Chen, I.-M. Chou, Sheng-Fu J. Chou, J.W. Stucki
2009, Conference Paper, 3rd World of Coal Ash, WOCA Conference - Proceedings
Integrated gasification combined cycle (IGCC) is a promising power generation technology which increases the efficiency of coal-to-power conversion and enhances carbon dioxide concentration in exhaust emissions for better greenhouse gas capture. Two major byproducts from IGCC plants are bottom slag and sulfur. The sulfur can be processed into commercially viable...
Assembling and disassembling california: A zircon and monazite geochronologic framework for proterozoic crustal evolution in southern California
A. P. Barth, J. L. Wooden, D.S. Coleman, M.B. Vogel
2009, Journal of Geology (117) 221-239
The Mojave province in southern California preserves a comparatively complete record of assembly, postorogenic sedimentation, and rifting along the southwestern North American continental margin. The oldest exposed rocks are metasedimentary gneisses and amphibolite, enclosing intrusive suites that range from tonalite and quartz mon-zodiorite to granite with minor trondhjemite. Discrete magmatic...
