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USING SMOS PASSIVE MICROWAVE DATA TO DEVELOP SMAP FREEZE/THAW ALGORITHMS ADAPTED FOR THE CANADIAN SUBARCTIC
Passive Microwave Freeze-Thaw Frozen Soil SMOS Remote Sensing
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2016/1/15
Seasonal terrestrial Freeze/Thaw cycle in Northern Quebec Tundra (Nunavik) was determined and evaluated with passive microwave observations. SMOS time series data were analyzed to examine seasonal var...
Freeze/thaw processes in complex permafrost landscapes of northern Siberia simulated using the TEM ecosystem model: impact of thermokarst ponds and lakes
Freeze/thaw processes complex permafrost landscapes northern Siberia simulated TEM ecosystem model thermokarst ponds and lakes
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2014/12/19
Freeze/thaw (F/T) processes can be quite different under the various land surface types found in the complex tundra of the Arctic, such as polygonal tundra (wet center and dry rims), ponds, and thermo...
Study projects big thaw for Antarctic sea ice（图）
sea ice Study big thaw
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2014/3/20
Antarctica’s Ross Sea is one of the few polar regions where summer sea-ice coverage has increased during the last few decades, bucking a global trend of drastic declines in summer sea ice across the A...
Feasibility of Characterizing Snowpack and the Freeze–Thaw State of Underlying Soil Using Multifrequency Active/Passive Microwave Data
Freeze Characterizing Snowpack Freeze–Thaw State
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2013/9/2
Abstract—An ensemble-based data assimilation approach isdeveloped to characterize the snow water equivalent (SWE)and underlying soil freeze–thaw tate (including the soil surfacetemperature and both so...
Seasonal variation of vegetation productivity over an alpine meadow in the Qinghai–Tibet Plateau in China: modeling the interactions of vegetation productivity, phenology, and the soil freeze–thaw process
Alpine meado Qinghai– Tibet Platea Unfro zen water Prima ry production
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2013/9/2
Phenolog y cont rols the seaso nal activ ities ofvege tation on land surfaces and thu s plays a fun damenta lrole in regu lating pho tosynthesi s and othe r ecosyste mprocesses. There fore, accuratel ...
Spatial and temporal variability of soil freeze-thaw cycling across Southern Alberta, Canada
Freeze-Thaw Soil Temperature Agro-Ecosystem Modeling Regional Climate Soil Science
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2013/3/5
Soil freeze-thaw cycles play an important role in all aspects of agro-ecosystems, such as crop productivity, the evolution of the soil matrix, including trace-gas emissions. In regions that experience...
Changes in the near-surface soil freeze-thaw cycle on the Qinghai-Tibetan Plateau
Freeze–thaw cycle Permafrost Qinghai-Tibetan Plateau Mountain cryosphere Climate warming Microwave remote sensing Trend analysis
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2013/9/2
Changes in the near-surface soil freeze–thaw cycle on the Qinghai-Tibetan Plateau (QTP) were detected using daily soil freeze/thaw states derived from Special Sensor Microwave/Im...
A new soil freeze/thaw discriminant algorithm using AMSR-E passive microwave imagery
soil freeze/thaw status microwave radiometer discrimination analysis AMSR-E
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2013/9/2
The soil freeze–thaw controls the hydrological and carbon cycling and thus affects water and energy exchanges at land surface. This article reported a newly developed algorithm for distinguishing the ...
Post-thaw bovine spermatozoal quality estimated from fresh samples
Post-thaw bovine spermatozoal quality fresh samples
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2009/2/12
Comparisons were made among flow cytometrically quantified populations of fresh and cryopreserved bovine spermatozoa, tri-stained with fluorophores rhodamine 123 (R123), 5- (and 6-) carboxy-4',5'-di...
Cryopreservation of human semen. Comparison of cryopreservatives, sources of variability, and prediction of post-thaw survival
Post-thaw sperm donor insemination infertility
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2009/2/10
Human semen was cryopreserved using Human Sperm Preservation Medium, TEST-Yolk buffer, or glycerol alone. Sperm characteristics for each specimen were measured before and after freezing to determine...
Perception of weather conditions during atmospheric thaw in the Szczecin Lowlands
wind chill index atmospheric thaw heat perception
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2008/11/14
The study was based on the results of daily measurements (taken at 1 p.m.) of air temperature and wind velocity and average diurnal temperatures of the air at the height of 200 cm above the ground, ta...
Effect of Multi-Treatment of Freeze-Thaw or Low Temperature on Wheat Starch Gel
furunori wheat starch gel freeze-thaw treatment
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2008/4/20
We investigated the effect of multiple treatments (10, 20 and 30 times, one cycle of treatment: 24 h) of freeze-thaw (-30°C) or low temperature (4°C) on wheat starch gel for elucidation of the formati...
Temporal stereophoto grammetric analysis of retrogressive thaw slumps on Herschel Island,Yukon Territory
Temporal stereophotog rammetric analysis retrogressive thaw slumps Herschel Island
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2009/12/28
The western Canadian Arctic is identified as an area of potentially significant global warming. Thawing permafrost, sea level rise, changing sea ice conditions and increased wave activity will result ...
Quality and Fertility of Post Thaw Sephadex Filtered Bull Semen
Bull Semen Sephadex Filtration Fertility
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2016/4/15
The present investigation was carried out to assess the effect of Sephadex (G-15) filtration on the post thaw bull semen quality and conception rate. Post thaw unfiltered (control) and Sephadex filter...
Post-thaw Thermal Resistance Test on Motility and Acrosomal Integrity of Filtered and Non-filtered Frozen Semen of Murrah Buffalo Bulls
Murrah Bull Sephadex Filtration Frozen Semen Motility Acrosomal Integrity
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2016/4/14
Present investigation was conducted to determine the post-thaw sperm motility and acrosomal damage of filtered and non-filtered frozen semen of Murrah buffalo bulls. Twenty semen ejaculates (from four...