Search Results - "GRIN, Edmond A"

Record solar UV irradiance in the tropical Andes by Cabrol, Nathalie A., Feister, Uwe, Häder, Donat-Peter, Piazena, Helmut, Grin, Edmond A., Klein, Andreas

“…High elevation, thin ozone layer, and clear sky produce intense ultraviolet (UV) radiation in the tropical Andes. Recent models suggest that tropical…”
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Lakes on Mars by Cabrol, Nathalie A, Grin, Edmond A

“…On Earth, lakes provide favorable environments for the development of life and its preservation as fossils. They are extremely sensitive to climate…”
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The High-Lakes Project by Cabrol, Nathalie A., Grin, Edmond A., Chong, Guillermo, Minkley, Edwin, Hock, Andrew N., Yu, Youngseob, Bebout, Leslie, Fleming, Erich, Häder, Donat P., Demergasso, Cecilia, Gibson, John, Escudero, Lorena, Dorador, Cristina, Lim, Darlene, Woosley, Clayton, Morris, Robert L., Tambley, Cristian, Gaete, Victor, Galvez, Matthieu E., Smith, Eric, Uskin-Peate, Ingrid, Salazar, Carlos, Dawidowicz, G., Majerowicz, J.

“…The High Lakes Project is a multidisciplinary astrobiological investigation studying high‐altitude lakes between 4200 m and 6000 m elevation in the Central…”
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Life in the Atacama: Searching for life with rovers (science overview) by Cabrol, Nathalie A., Wettergreen, David, Warren-Rhodes, Kim, Grin, Edmond A., Moersch, Jeffrey, Diaz, Guillermo Chong, Cockell, Charles S., Coppin, Peter, Demergasso, Cecilia, Dohm, James M., Ernst, Lauren, Fisher, Gregory, Glasgow, Justin, Hardgrove, Craig, Hock, Andrew N., Jonak, Dominic, Marinangeli, Lucia, Minkley, Edwin, Ori, Gian Gabriele, Piatek, Jennifer, Pudenz, Erin, Smith, Trey, Stubbs, Kristen, Thomas, Geb, Thompson, David, Waggoner, Alan, Wagner, Michael, Weinstein, Shmuel, Wyatt, Michael

“…The Life in the Atacama project investigated the regional distribution of life and habitats in the Atacama Desert of Chile. We sought to create biogeologic…”
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Soil sedimentology at Gusev Crater from Columbia Memorial Station to Winter Haven by Cabrol, Nathalie A., Herkenhoff, Kenneth E., Greeley, Ronald, Grin, Edmond A., Schröder, Christian, d'Uston, Claude, Weitz, Catherine, Yingst, R. Aileen, Cohen, Barbara A., Moore, Jeffrey, Knudson, Amy, Franklin, Brenda, Anderson, Robert C., Li, Ron

“…A total of 3140 individual particles were examined in 31 soils along Spirit's traverse. Their size, shape, and texture were quantified and classified. They…”
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Life in the Atacama: A scoring system for habitability and the robotic exploration for life by Hock, Andrew N., Cabrol, Nathalie A., Dohm, James M., Piatek, Jennifer, Warren-Rhodes, Kim, Weinstein, Shmuel, Wettergreen, David S., Grin, Edmond A., Moersch, Jeffrey, Cockell, Charles S., Coppin, Peter, Ernst, Lauren, Fisher, Gregory, Hardgrove, Craig, Marinangeli, Lucia, Minkley, Edwin, Ori, Gian Gabriele, Waggoner, Alan, Wyatt, Mike, Smith, Trey, Thompson, David, Wagner, Michael, Jonak, Dominic, Stubbs, Kristen, Thomas, Geb, Pudenz, Erin, Glasgow, Justin

“…The science goals of the Life in the Atacama (LITA) robotic field experiment are to understand habitat and seek out life in the Atacama Desert, Chile, as an…”
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Surface and subsurface composition of the Life in the Atacama field sites from rover data and orbital image analysis by Piatek, Jennifer L., Hardgrove, Craig, Moersch, Jeffrey E., Drake, Darrell M., Wyatt, Michael B., Rampey, Michael, Carlisle, Orion, Warren-Rhodes, Kim, Dohm, James M., Hock, Andrew N., Cabrol, Nathalie A., Wettergreen, David S., Grin, Edmond A., Diaz, Guillermo Chong, Coppin, Peter, Weinstein, Shmuel, Cockell, Charles S., Marinangeli, Lucia, Ori, Gian Gabriele, Smith, Trey, Jonak, Dominic, Wagner, Michael, Stubbs, Kristen, Thomas, Geb, Pudenz, Erin, Glasgow, Justin

“…The Life in the Atacama project examined six different sites in the Atacama Desert (Chile) over 3 years in an attempt to remotely detect the presence of life…”
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Rock glaciers on Mars: Earth-based clues to Mars’ recent paleoclimatic history by Mahaney, William C., Miyamoto, Hideaki, Dohm, James M., Baker, Victor R., Cabrol, Nathalie A., Grin, Edmond A., Berman, Daniel C.

“…The Mars Orbital Camera onboard the Mars Global Surveyor spacecraft, which is currently orbiting about Mars, has revealed hundreds of pristine lobate and…”
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Correction to "The High-Lakes Project" by Cabrol, Nathalie A., Grin, Edmond A., Chong, Guillermo, Minkley, Edwin, Hock, Andrew N., Yu, Youngseob, Bebout, Leslie, Fleming, Erich, Häder, Donat P., Demergasso, Cecilia, Gibson, John, Escudero, Lorena, Dorador, Cristina, Lim, Darlene, Woosley, Clayton, Morris, Robert L., Tambley, Cristian, Gaete, Victor, Galvez, Matthieu E., Smith, Eric, Peate, Ingrid Ukstins, Salazar, Carlos, Dawidowicz, G., Majerowicz, J.

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Overview on the formation of paleolakes and ponds on Mars by Cabrol, Nathalie A, Grin, Edmond A

“…Lakes on Mars were formed under periglacial to glacial climates. Extreme conditions prevailed including freezing temperatures, low atmospheric pressure, high…”
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Hydrogeologic Evolution of Gale Crater and Its Relevance to the Exobiological Exploration of Mars by Cabrol, Nathalie A., Grin, Edmond A., Newsom, Horton E., Landheim, Ragnhild, McKay, Christopher P.

“…The presence of an Amazonian impact crater lake in the Noachian crater Gale (located in the Aeolis northwest subquadrangle of Mars) is indicated by evidence…”
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Exploring Gusev Crater with Spirit: Review of science objectives and testable hypotheses by Cabrol, Nathalie A., Grin, Edmond A., Carr, Michael H., Sutter, Brad, Moore, Jeffrey M., Farmer, Jack D., Greeley, Ronald, Kuzmin, Ruslan O., DesMarais, David J., Kramer, Marc G., Newsom, Horton, Barber, Charles, Thorsos, Ivan, Tanaka, Kenneth L., Barlow, Nadine G., Fike, David A., Urquhart, Mary L., Grigsby, Brian, Grant, Frederick D., de Goursac, Olivier

“…Gusev Crater was selected as the landing site for the Mars Exploration Rover (MER) Spirit mission. Located at the outlet of Ma'adim Vallis and 250 km south of…”
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Composition of the drainage network on early Mars by Cabrol, Nathalie A, Grin, Edmond A

“…Among the 2208 martian fluvial features plotted in a previous study [Z. Geomorphol. 37-1 (1993) 57], the hydrological characteristics of 71 pristine fluvial…”
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Possible Frost Mounds in an Ancient Martian Lake Bed by Cabrol, Nathalie A., Grin, Edmond A., Pollard, Wayne H.

“…Circular to elongated mounds are observed in Gusev crater in the Aeolis subquadrangle of Mars. They are arranged in a large cluster and show different stages…”
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An (U-Th)/He age for the small Monturaqui impact structure, Chile by Ukstins, Ingrid A., Wartho, Jo-Anne, Cabrol, Nathalie A., Grin, Edmond A., van Soest, Matthijs C., Biren, Marc B., Hodges, Kip V., Chong, Guillermo

“…Single-crystal (U-Th)/He dating of 32 apatite and zircon crystals from an impact breccia yielded a weighted mean age of 663 ± 28 ka (n = 3; 4.2 % 2σ…”
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Geological analysis of the Silver Lake Marsokhod field test from ground-truth sampling and mapping by Grin, Edmond A., Reagan, Mark K., Cabrol, Nathalie A., Bettis, E. Arthur, Foster, C. Thomas, Stoker, Carol R., Moersch, Jeffrey E.

“…We compare the results of the observations and conclusions obtained from a remote science team and field geologists during the 1999 Marsokhod Silver Lake field…”
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Distribution, Classification, and Ages of Martian Impact Crater Lakes by Cabrol, Nathalie A., Grin, Edmond A.

“…Paleolakes in impact craters on Mars are characterized at global scale using the Viking Orbiter data. We identified 179 paleolakes in impact structures formed…”
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On the possibility of liquid water on present-day Mars by Haberle, Robert M., McKay, Christopher P., Schaeffer, James, Cabrol, Nathalie A., Grin, Edmon A., Zent, Aaron P., Quinn, Richard

“…Using a validated general circulation model, we determine where and for how long the surface pressure and surface temperature on Mars meet the minimum…”
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The Evolution of Lacustrine Environments on Mars: Is Mars Only Hydrologically Dormant? by Cabrol, Nathalie A., Grin, Edmond A.

“…This study surveys the evolution of martian impact crater paleolakes through time by establishing their age, comparing their locations, and describing the…”
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Limnologic Analysis of Gusev Crater Paleolake, Mars by Grin, Edmond A., Cabrol, Nathalie A.

“…The survey of the hydrogeologic system formed by Gusev crater and Ma'adim Vallis (Aeolis subquadrangle of Mars) points out evidence for the existence of an…”
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