Search Results - "Rowlandson, Tracy"

Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12): Prelaunch Calibration and Validation of the SMAP Soil Moisture Algorithms by McNairn, Heather, Jackson, Thomas J, Wiseman, Grant, Belair, Stephane, Berg, Aaron, Bullock, Paul, Colliander, Andreas, Cosh, Michael H, Kim, Seung-Bum, Magagi, Ramata, Moghaddam, Mahta, Njoku, Eni G, Adams, Justin R, Homayouni, Saeid, Ojo, Emmanuel, Rowlandson, Tracy, Shang, Jiali, Goita, Kalifa, Hosseini, Mehdi

“…The National Aeronautics and Space Administration (NASA) Soil Moisture Active Passive (SMAP) satellite is scheduled for launch in January 2015. In order to…”
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Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements by Reichle, Rolf H., De Lannoy, Gabrielle J. M., Liu, Qing, Ardizzone, Joseph V., Colliander, Andreas, Conaty, Austin, Crow, Wade, Jackson, Thomas J., Jones, Lucas A., Kimball, John S., Koster, Randal D., Mahanama, Sarith P., Smith, Edmond B., Berg, Aaron, Bircher, Simone, Bosch, David, Caldwell, Todd G., Cosh, Michael, González-Zamora, Ángel, Collins, Chandra D. Holifield, Jensen, Karsten H., Livingston, Stan, Lopez-Baeza, Ernesto, Martínez-Fernández, José, McNairn, Heather, Moghaddam, Mahta, Pacheco, Anna, Pellarin, Thierry, Prueger, John, Rowlandson, Tracy, Seyfried, Mark, Starks, Patrick, Su, Zhongbo, Thibeault, Marc, Van Der Velde, Rogier, Walker, Jeffrey, Wu, Xiaoling, Zeng, Yijian

“…The Soil Moisture Active Passive (SMAP) mission Level-4 Surface and Root-Zone Soil Moisture (L4_SM) data product is generated by assimilating SMAP L-band…”
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Validation of the Soil Moisture Active Passive (SMAP) satellite soil moisture retrieval in an Arctic tundra environment by Wrona, Elizabeth, Rowlandson, Tracy L., Nambiar, Manoj, Berg, Aaron A., Colliander, Andreas, Marsh, Philip

“…This study examines the Soil Moisture Active Passive soil moisture product on the Equal Area Scalable Earth‐2 (EASE‐2) 36 km Global cylindrical and North Polar…”
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Sensitivity of C-Band SAR Polarimetric Variables to the Directionality of Surface Roughness Parameters by Alijani, Zohreh, Lindsay, John, Chabot, Melanie, Rowlandson, Tracy, Berg, Aaron

“…Surface roughness is an important factor in many soil moisture retrieval models. Therefore, any mischaracterization of surface roughness parameters (root mean…”
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Capturing agricultural soil freeze/thaw state through remote sensing and ground observations: A soil freeze/thaw validation campaign by Rowlandson, Tracy L., Berg, Aaron A., Roy, Alexander, Kim, Edward, Pardo Lara, Renato, Powers, Jarrett, Lewis, Kristin, Houser, Paul, McDonald, Kyle, Toose, Peter, Wu, Albert, De Marco, Eugenia, Derksen, Chris, Entin, Jared, Colliander, Andreas, Xu, Xiaolan, Mavrovic, Alex

“…A field campaign was conducted October 30th to November 13th, 2015 with the intention of capturing diurnal soil freeze/thaw state at multiple scales using…”
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The SMAP mission combined active-passive soil moisture product at 9 km and 3 km spatial resolutions by Das, Narendra N., Entekhabi, Dara, Dunbar, R. Scott, Colliander, Andreas, Chen, Fan, Crow, Wade, Jackson, Thomas J., Berg, Aaron, Bosch, David D., Caldwell, Todd, Cosh, Michael H., Collins, Chandra H., Lopez-Baeza, Ernesto, Moghaddam, Mahta, Rowlandson, Tracy, Starks, Patrick J., Thibeault, Marc, Walker, Jeffrey P., Wu, Xiaoling, O'Neill, Peggy E., Yueh, Simon, Njoku, Eni G.

“…The NASA Soil Moisture Active Passive (SMAP) mission was launched on January 31st, 2015. The spacecraft was to provide high-resolution (3 km and 9 km) global…”
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Assessing SMAP Soil Moisture Scaling and Retrieval in the Carman (Canada) Study Site by Bhuiyan, Hassan A.K.M., McNairn, Heather, Powers, Jarrett, Friesen, Matthew, Pacheco, Anna, Jackson, Thomas J., Cosh, Michael H., Colliander, Andreas, Berg, Aaron, Rowlandson, Tracy, Bullock, Paul, Magagi, Ramata

“…Core Ideas Upscaling methods compared in situ measures with soil moisture from the SMAP satellite. The accuracy of SMAP soil moisture products in annual…”
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Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites by Seung-Bum Kim, van Zyl, Jakob J., Johnson, Joel T., Moghaddam, Matha, Leung Tsang, Colliander, Andreas, Dunbar, Roy Scott, Jackson, Thomas J., Jaruwatanadilok, Sermsak, West, Richard, Berg, Aaron, Caldwell, Todd, Cosh, Michael H., Goodrich, David C., Livingston, Stanley, Lopez-Baeza, Ernesto, Rowlandson, Tracy, Thibeault, Marc, Walker, Jeffrey P., Entekhabi, Dara, Njoku, Eni G., O'Neill, Peggy E., Yueh, Simon H.

“…This paper evaluates the retrieval of soil moisture in the top 5-cm layer at 3-km spatial resolution using L-band dual-copolarized Soil Moisture Active-Passive…”
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Evaluation of several calibration procedures for a portable soil moisture sensor by Rowlandson, Tracy L., Berg, Aaron A., Bullock, Paul R., Ojo, E. RoTimi, McNairn, Heather, Wiseman, Grant, Cosh, Michael H.

“…•General calibration equations result in higher root mean square errors and bias for some conditions.•Calibrations based on soil texture or land cover reduce…”
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An 11-year (2007–2017) soil moisture and precipitation dataset from the Kenaston Network in the Brightwater Creek basin, Saskatchewan, Canada by Tetlock, Erica, Toth, Brenda, Berg, Aaron, Rowlandson, Tracy, Ambadan, Jaison Thomas

“…Soil moisture and precipitation have been monitored in a hydrometeorological network situated within the Brightwater Creek basin, east of Kenaston,…”
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Comparing the Use of Terrestrial LiDAR Scanners and Pin Profilers for Deriving Agricultural Roughness Statistics by Melanie Chabot, John Lindsay, Tracy Rowlandson, Aaron A. Berg

“…Adequate descriptions of soil surface roughness are vital for the accurate retrieval of soil moisture maps from remote sensing products. Terrestrial laser…”
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Comparing the Assimilation of SMOS Brightness Temperatures and Soil Moisture Products on Hydrological Simulation in the Canadian Land Surface Scheme by Nambiar, Manoj K., Ambadan, Jaison Thomas, Rowlandson, Tracy, Bartlett, Paul, Tetlock, Erica, Berg, Aaron A.

“…Soil moisture is a key variable used to describe water and energy exchanges at the land surface/atmosphere interface. Therefore, there is widespread interest…”
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GCOM-W AMSR2 Soil Moisture Product Validation Using Core Validation Sites by Bindlish, Rajat, Cosh, Michael H., Jackson, Thomas J., Koike, Toshio, Fujii, Hideyuki, Chan, Steven K., Asanuma, Jun, Berg, Aaron, Bosch, D. David, Caldwell, Todd, Collins, Chandra Holifield, McNairn, Heather, Martinez-Fernandez, Jose, Prueger, John, Rowlandson, Tracy, Seyfried, Mark, Starks, Patrick, Thibeault, Marc, Van Der Velde, R., Walker, Jeffrey P., Coopersmith, Evan J.

“…The Advanced microwave scanning radiometer 2 (AMSR2) is part of the global change observationmission-water (GCOM-W). AMSR2 has filled the gap in passive…”
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Spatial Variability of L-Band Brightness Temperature during Freeze/Thaw Events over a Prairie Environment by Roy, Alexandre, Toose, Peter, Derksen, Chris, Rowlandson, Tracy, Berg, Aaron, Lemmetyinen, Juha, Royer, Alain, Tetlock, Erica, Helgason, Warren, Sonnentag, Oliver

“…Passive microwave measurements from space are known to be sensitive to the freeze/thaw (F/T) state of the land surface. These measurements are at a coarse…”
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Modelling the L-Band Snow-Covered Surface Emission in a Winter Canadian Prairie Environment by Roy, Alexandre, Leduc-Leballeur, Marion, Picard, Ghislain, Royer, Alain, Toose, Peter, Derksen, Chris, Lemmetyinen, Juha, Berg, Aaron, Rowlandson, Tracy, Schwank, Mike

“…Detailed angular ground-based L-band brightness temperature (TB) measurements over snow covered frozen soil in a prairie environment were used to parameterize…”
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Use of in situ soil moisture network for estimating regional-scale soil moisture during high soil moisture conditions by Rowlandson, Tracy, Impera, Sarah, Belanger, Jonathon, Berg, Aaron A., Toth, Brenda, Magagi, Ramata

“…Improving remotely sensed soil moisture estimates requires calibration and validation from ground-based observations obtained from established monitoring…”
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Assessment of the SMAP Passive Soil Moisture Product by Chan, Steven K., Bindlish, Rajat, O'Neill, Peggy E., Njoku, Eni, Jackson, Tom, Colliander, Andreas, Chen, Fan, Burgin, Mariko, Dunbar, Scott, Piepmeier, Jeffrey, Yueh, Simon, Entekhabi, Dara, Cosh, Michael H., Caldwell, Todd, Walker, Jeffrey, Wu, Xiaoling, Berg, Aaron, Rowlandson, Tracy, Pacheco, Anna, McNairn, Heather, Thibeault, Marc, Martinez-Fernandez, Jose, Gonzalez-Zamora, Angel, Seyfried, Mark, Bosch, David, Starks, Patrick, Goodrich, David, Prueger, John, Palecki, Michael, Small, Eric E., Zreda, Marek, Calvet, Jean-Christophe, Crow, Wade T., Kerr, Yann

“…The National Aeronautics and Space Administration (NASA) Soil Moisture Active Passive (SMAP) satellite mission was launched on January 31, 2015. The…”
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Response of L-Band brightness temperatures to freeze/thaw and snow dynamics in a prairie environment from ground-based radiometer measurements by Roy, Alexandre, Toose, Peter, Williamson, Matthew, Rowlandson, Tracy, Derksen, Chris, Royer, Alain, Berg, Aaron A., Lemmetyinen, Juha, Arnold, Lauren

“…Land surface freeze/thaw (F/T) dynamics impact the surface energy balance, carbon fluxes, and hydrologic processes. Recent and on-going L-Band (≈1.4GHz)…”
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Errors associated with estimating vegetation water content from radar for use in passive microwave brightness temperature algorithms by Rowlandson, Tracy L., Berg, Aaron A.

“…The Soil Moisture Active Passive Validation Experiment 2012 was conducted as a pre-launch validation campaign for the Soil Moisture Active Passive mission over…”
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L-Band response to freeze/thaw in a boreal forest stand from ground- and tower-based radiometer observations by Roy, Alexandre, Toose, Peter, Mavrovic, Alex, Pappas, Christoforos, Royer, Alain, Derksen, Chris, Berg, Aaron, Rowlandson, Tracy, El-Amine, Mariam, Barr, Alan, Black, Andrew, Langlois, Alexandre, Sonnentag, Oliver

“…The extent, timing and duration of seasonal freeze/thaw (FT) state exerts dominant control on boreal forest carbon, water and energy cycle processes. Recent…”
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