The reliability of categorical triple collocation for evaluating soil freeze/thaw datasets
2022
Li, Heng, Chai, Linna, Crow, Wade, Dong, Jianzhi, Liu, Shaomin, Zhao, Shaojie
Transition Direction
A statistical framework for assessing temperature controls on landscape Freeze-Thaw: Application and implications in Quebec, Canada (19792016)
2021
Hatami, Shadi, Nazemi, Ali
Freeze/Thaw
Informing improvements in freeze/thaw state classification using subpixel temperature
2021
Johnston, Jeremy M., Houser, Paul R., Maggioni, Viviana, Kim, Rhae Sung, Vuyovich, Carrie
Land Use/Land Cover Classification , Terrain Elevation , Digital Elevation/Terrain Model (DEM) , Topographical Relief Maps, Freeze/Thaw
Diagnosing environmental controls on vegetation greening and browning trends over Alaska and Northwest Canada using complementary satellite observations
2021
Kim, Youngwook, Kimball, John S., Parazoo, Nicholas, Kirchner, Peter
Surface Soil Moisture, Freeze/Thaw , Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
Monitoring ECO-Hydrological Spring Onset Over Alaska and Northern Canada with Complementary Satellite Remote Sensing Data
2021
Kim, Youngwook, Kimbal, John S., Parazoo, Nicholas, Xu, Xiaolan, Dunbar, R. Scott, Colliander, Andreas, Reichle, Rolf
Brightness Temperature, Freeze/Thaw , Transition Direction, Soil Organic Carbon (SOC)
Siberian 2020 heatwave increased spring CO2 uptake but not
2021
Kwon, Min Jung, Ballantyne, Ashley, Ciais, Philippe, Bastos, Ana, Chevallier, Frederic, Liu, Zhihua, Green, Julia K, Qiu, Chunjing, Kimball, John S
Freeze/Thaw
Increasing riverine heat influx triggers Arctic sea ice decline and oceanic and atmospheric warming
2020
Park, Hotaek, Watanabe, Eiji, Kim, Youngwook, Polyakov, Igor, Oshima, Kazuhiro, Zhang, Xiangdong, Kimball, John S., Yang, Daqing
Freeze/Thaw
Improving SMAP freeze-thaw retrievals for pavements using effective soil temperature from GEOS-5: Evaluation against in situ road temperature data over the US
2020
Kraatz, Simon, Jacobs, Jennifer M., Schroder, Ronny, Cho, Eunsang, Miller, Heather J., Vuyovich, Carrie M.
Brightness Temperature, SIGMA NAUGHT, Soil Moisture/Water Content , Transition Direction
Evaluation and analysis of SMAP, AMSR2 and MEaSUREs freeze/thaw products in China
2020
Wang, Jian, Jiang, Lingmei, Cui, Huizhen, Wang, Gongxue, Yang, Jianwei, Liu, Xiaojing, Su, Xu
Transition Direction
Exposure to cold temperature affects the spring phenology of Alaskan deciduous vegetation types
2020
Shi, Mingjie, Parazoo, Nicholas C, Jeong, Su-Jong, Birch, Leah, Lawrence, Peter, Euskirchen, Eugenie S, Miller, Charles E
Primary Production, Respiration Rate, Atmospheric Carbon Dioxide, Biogeochemical Cycles , Carbon , Freeze/Thaw
Comparing global passive microwave freeze/thaw records: Investigating differences between Ka-and L-band products
2020
Johnston, Jeremy, Maggioni, Viviana, Houser, Paul
Surface Pressure, Heat Flux, Longwave Radiation, Shortwave Radiation, Surface Temperature , Humidity , Evapotranspiration , Surface Winds , Rain , Precipitation Rate , Snow, Soil Moisture/Water Content , Soil Temperature, Land Surface Temperature , Snow Water Equivalent , Runoff , Freeze/Thaw , Transition Direction
Potential Use of NASA's Soil Moisture Active Passive FreezeThaw Tool to Assist in Minnesota Seasonal Load Restriction Timing
2020
Kraatz, Simon, Miller, Heather J., Poirier, Benjamin J, Moradi, Mahsa, Jacobs, Jennifer M.
Transition Direction
Simultaneous retrieval of surface roughness parameters for bare soils from combined activepassive microwave SMAP observations
2020
Fluhrer, Anke, Jagdhuber, Thomas, Akbar, Ruzbeh, O'Neill, Peggy E., Entekhabi, Dara
Carbon , Cation Exchange Capacity, Organic Matter, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT, Brightness Temperature, Soil Moisture/Water Content , Transition Direction
Investigating the relationship between satellite-based freeze/thaw products and land surface temperature
2019
Johnston, Jeremy, Maggioni, Viviana, Houser, Paul
Emissivity, Land Surface Temperature , Surface Pressure, Longwave Radiation, Shortwave Radiation, Surface Temperature , Evaporation, Humidity , Convection, Surface Winds , Rain , Heat Flux, Evapotranspiration , Snow, Canopy Characteristics, Leaf Characteristics, Vegetation Cover, Soil Moisture/Water Content , Soil Temperature, Albedo , Snow Water Equivalent , Runoff , Freeze/Thaw , Transition Direction
Global Assessment of the SMAP Freeze/Thaw Data Record and Regional
2019
Kim, Youngwook, Kimball, John S., Xu, Xiaolan, Dunbar, R. Scott, Colliander, Andreas, Derksen, Chris
Transition Direction, Brightness Temperature, Soil Moisture/Water Content , Reflectance , Total Surface Water , Canopy Characteristics, Evergreen Vegetation, Crown, Deciduous Vegetation, Leaf Characteristics, Vegetation Cover, Land Use/Land Cover Classification , Soil Organic Carbon (SOC), Freeze/Thaw
Northern Hemisphere permafrost map based on TTOP modelling for 20002016 at 1 km2 scale
2019
Obu, Jaroslav, Westermann, Sebastian, Bartsch, Annett, Berdnikov, Nikolai, Christiansen, Hanne H., Dashtseren, Avirmed, Delaloye, Reynald, Elberling, Bo, Etzelmuller, Bernd, Kholodov, Alexander, Khomutov, Artem, Kaab, Andreas, Leibman, Marina O., Lewkowicz, Antoni G., Panda, Santosh K., Romanovsky, Vladimir, Way, Robert G., Westergaard-Nielsen, Andreas, Wu, Tonghua, Yamkhin, Jambaljav, Zou, Defu
Transition Direction
Simultaneous retrieval of surface roughness parameters from combined active-passive SMAP observations
2019
Fluhrer, Anke, Jagdhuber, Thomas, Akbar, Ruzbeh, O'Neill, Peggy, Entekhabi, Dara
ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT, Brightness Temperature, Soil Moisture/Water Content , Transition Direction
Circumpolar patterns of potential mean annual ground temperature based on surface state obtained from microwave satellite data
2018
Kroisleitner, Christine, Bartsch, Annett, Bergstedt, Helena
Freeze/Thaw
Estimating regional-scale methane flux and budgets using CARVE aircraft measurements over Alaska
2018
Hartery, Sean, Commane, Roisin, Lindaas, Jakob, Sweeney, Colm, Henderson, John, Mountain, Marikate, Steiner, Nicholas, McDonald, Kyle, Dinardo, Steven J., Miller, Charles E., Wofsy, Steven C., Chang, Rachel Y.-W.
Atmospheric Carbon Dioxide, Methane, Atmospheric Carbon Monoxide , Atmospheric Ozone, Water Vapor, Freeze/Thaw , Snow Melt , Freeze/Thaw , Snow Melt , Boundary Layer Winds
Parameterization of the freeze/thaw discriminant function algorithm using dense in-situ observation network data
2018
Wang, Pingkai, Zhao, Tianjie, Shi, Jiancheng, Hu, Tongxi, Roy, Alexandre, Qiu, Yubao, Lu, Hui
Transition Direction
The accuracy of snow melt-off day derived from optical and microwave radiometer dataA study for Europe
2018
Metsamaki, Sari, Bottcher, Kristin, Pulliainen, Jouni, Luojus, Kari, Cohen, Juval, Takala, Matias, Mattila, Olli-Pekka, Schwaizer, Gabriele, Derksen, Chris, Koponen, Sampsa
Freeze/Thaw
Spring photosynthetic onset and net CO2 uptake in Alaska triggered by landscape thawing
2018
Parazoo, Nicholas C., Arneth, Almut, Pugh, Thomas A. M., Smith, Ben, Steiner, Nicholas, Luus, Kristina, Commane, Roisin, Benmergui, Josh, Stofferahn, Eric, Liu, Junjie, Rodenbeck, Christian, Kawa, Randy, Euskirchen, Eugenie, Zona, Donatella, Arndt, Kyle, Oechel, Walt, Miller, Charles
Primary Production, Respiration Rate, Atmospheric Carbon Dioxide, Freeze/Thaw , Snow Melt , Freeze/Thaw , Snow Melt
Advantages and limitations of L-band bistatic radar remote sensing of landscape freeze/thaw state
2017
Chew, C., Podest, E., McDonald, K. C., Steiner, N.
Transition Direction
Cryosphere: Remote Sensing
2017
Nolin, Anne W.
Freeze/Thaw
SMAP radar receiver measures land surface freeze/thaw state through capture of forward-scattered L-band signals
2017
Chew, Clara, Lowe, Stephen, Parazoo, Nicholas, Esterhuizen, Stephan, Oveisgharan, Shadi, Podest, Erika, Zuffada, Cinzia, Freedman, Adam
Freeze/Thaw , SIGMA NAUGHT, Transition Direction, Brightness Temperature, Soil Moisture/Water Content , Root Zone Soil Moisture, Surface Soil Moisture