Search Results - "Farrell, S. L"

Determining Variability in Arctic Sea Ice Pressure Ridge Topography With ICESat‐2 by Duncan, K., Farrell, S. L.

“…We investigate the characteristics and distribution of pressure ridges in Arctic sea ice using a novel algorithm applied to ICESat‐2 surface heights. We derive…”
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Sea Ice Thickness, Freeboard, and Snow Depth products from Operation IceBridge Airborne Data by Kurtz, N. T., Farrell, S. L., Studinger, M., Galin, N., Harbeck, J. P., Lindsay, R., Onana, V. D., Panzer, B., Sonntag, J. G.

“…The study of sea ice using airborne remote sensing platforms provides unique capabilities to measure a wide variety of sea ice properties. These measurements…”
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Snow cover on Arctic sea ice in observations and an Earth System Model by Blanchard-Wrigglesworth, E., Farrell, S. L., Newman, T., Bitz, C. M.

“…Spring snow depth on Arctic sea ice is assessed in observations and an Earth System Model. In both, snow depth is mainly driven by the ice type on which the…”
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High-resolution airborne observations of sea-ice pressure ridge sail height by Duncan, K., Farrell, S. L., Connor, L. N., Richter-Menge, J., Hutchings, J. K., Dominguez, R.

“…Pressure ridges impact the mass, energy and momentum budgets of the sea-ice cover and present an obstacle to transportation through ice-infested waters…”
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Using LiDAR-derived vegetation metrics for high-resolution, species distribution models for conservation planning by Farrell, S. L, Collier, B. A, Skow, K. L, Long, A. M, Campomizzi, A. J, Morrison, M. L, Hays, K. B, Wilkins, R. N

“…Advances in remotely sensed data for characterizing habitat have enabled development of spatially explicit predictive species distribution models (SDM) that…”
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Mapping Sea Ice Surface Topography in High Fidelity With ICESat‐2 by Farrell, S. L., Duncan, K., Buckley, E. M., Richter‐Menge, J., Li, R.

“…The Advanced Topographic Laser Altimeter System on Ice, Cloud and land Elevation Satellite 2 (ICESat‐2) offers a new remote sensing capability to measure…”
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Planting Patterns of In-Field Refuges Observed for Bt Maize in Minnesota by Andow, D. A., Farrell, S. L., Hu, Y.

“…The U.S. Environmental Protection Agency (USEPA) requires the use of nontransgenic refuges to slow the evolution of insect resistance to transgenic crops…”
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Observations of recent Arctic sea ice volume loss and its impact on ocean-atmosphere energy exchange and ice production by Kurtz, N. T., Markus, T., Farrell, S. L., Worthen, D. L., Boisvert, L. N.

“…Using recently developed techniques we estimate snow and sea ice thickness distributions for the Arctic basin through the combination of freeboard data from…”
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Surface Height and Sea Ice Freeboard of the Arctic Ocean From ICESat‐2: Characteristics and Early Results by Kwok, R., Markus, T., Kurtz, N. T., Petty, A. A., Neumann, T. A., Farrell, S. L., Cunningham, G. F., Hancock, D. W., Ivanoff, A., Wimert, J. T.

“…We present the first winter season of surface height and sea ice freeboards of the Arctic Ocean from the new Ice, Cloud, and Land Elevation Satellite…”
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Reconstruction of Snow on Arctic Sea Ice by Blanchard-Wrigglesworth, E., Webster, M. A., Farrell, S. L., Bitz, C.M.

“…Snow on Arctic sea ice is a poorly observed variable that plays an important role in the Arctic climate system and impacts the remote sensing systems that…”
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Effects of keratinocyte growth factor in the squamous epithelium of the upper aerodigestive tract of normal and irradiated mice by FARRELL, C. L, REX, K. L, KAUFMAN, S. A, DIPALMA, C. R, CHEN, J. N, SCULLY, S, LACEY, D. L

“…Purpose: To investigate the effects of keratinocyte growth factor (KGF) on the structure of the stratified squamous epithelium of the tongue, buccal mucosa and…”
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HOLARCTIC PHYLOGEOGRAPHY AND SPECIES LIMITS OF THREE-TOED WOODPECKERS by Zink, Robert M, Rohwer, Sievert, Drovetski, Sergei, Blackwell-Rago, Rachelle C, Farrell, Shannon L

“…We compared mitochondrial DNA sequences of Three-toed Woodpeckers (Picoides tridactylus) within and between Eurasia and North America. Samples from the two…”
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Assessment of contemporary satellite sea ice thickness products for Arctic sea ice by Sallila, Heidi, Farrell, Sinead Louise, McCurry, Joshua, Rinne, Eero

“…Advances in remote sensing of sea ice over the past two decades have resulted in a wide variety of satellite-derived sea ice thickness data products becoming…”
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Linking scales of sea ice surface topography: evaluation of ICESat-2 measurements with coincident helicopter laser scanning during MOSAiC by Ricker, Robert, Fons, Steven, Jutila, Arttu, Hutter, Nils, Duncan, Kyle, Farrell, Sinead L, Kurtz, Nathan T, Fredensborg Hansen, Renée Mie

“…Information about sea ice surface topography and related deformation is crucial for studies of sea ice mass balance, sea ice modeling, and ship navigation…”
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A First Assessment of IceBridge Snow and Ice Thickness Data Over Arctic Sea Ice by Farrell, S. L., Kurtz, N., Connor, L. N., Elder, B. C., Leuschen, C., Markus, T., McAdoo, D. C., Panzer, B., Richter-Menge, J., Sonntag, J. G.

“…We present a first assessment of airborne laser and radar altimeter data over snow-covered sea ice, gathered during the National Aeronautics and Space…”
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Predicting inpatient mortality for pediatric trauma patients with blunt injuries: A better alternative by Hannan, Edward L., Farrell, Louise Szypulski, Meaker, Philip S., Cooper, Arthur

“…Purpose: The aim of this study was to identify significant independent predictors of inpatient mortality rates for pediatric victims of blunt trauma and to…”
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Intercomparison of Snow Depth Retrievals over Arctic Sea Ice from Radar Data Acquired by Operation IceBridge by Kwok, Ron, Kurtz, Nathan T., Brucker, Ludovic, Ivanoff, Alvaro, Newman, Thomas, Farrell, Sinead L., King, Joshua, Howell, Stephen, Webster, Melinda A., Paden, John, Leuschen, Carl, MacGregor, Joseph A., Richter-Menge, Jacqueline, Harbeck, Jeremy, Tschudi, Mark

“…Since 2009, the ultra-wideband snow radar on Operation IceBridge (OIB; a NASA airborne mission to survey the polar ice covers) has acquired data in annual…”
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Estimation of degree of sea ice ridging in the Bay of Bothnia based on geolocated photon heights from ICESat-2 by Fredensborg Hansen, Renée Mie, Rinne, Eero, Farrell, Sinéad Louise, Skourup, Henriette

“…We present a comparison of Ice, Cloud and land Elevation Satellite-2 (ICESat-2) geolocated photon heights and operational ice charts from the Finnish Ice…”
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Observing the evolution of summer melt on multiyear sea ice with ICESat-2 and Sentinel-2 by Buckley, Ellen M, Farrell, Sinéad L, Herzfeld, Ute C, Webster, Melinda A, Trantow, Thomas, Baney, Oliwia N, Duncan, Kyle A, Han, Huilin, Lawson, Matthew

“…We investigate sea ice conditions during the 2020 melt season, when warm air temperature anomalies in spring led to early melt onset, an extended melt season,…”
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Implications of surface flooding on airborne estimates of snow depth on sea ice by Rösel, Anja, Farrell, Sinead Louise, Nandan, Vishnu, Richter-Menge, Jaqueline, Spreen, Gunnar, Divine, Dmitry V, Steer, Adam, Gallet, Jean-Charles, Gerland, Sebastian

“…Snow depth observations from airborne snow radars, such as the NASA's Operation IceBridge (OIB) mission, have recently been used in altimeter-derived sea ice…”
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