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您的检索式：作者名="Michael H.Cosh"
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| 1 | Remote sensing experiments for earth system science显示文摘The Earth system is an integrated system that can be divided into six main subsystems:geosphere,atmosphere,hydrosphere,cryosphere,biosphere,and anthrosphere.These subsystems are interconnected through the flows of global energy,water,and carbon,which are fundamental constituent cycles within the Earth system.To improve our predictive understanding of the subsystem on our changing planet,there is a need to better represent these subsystems through modelling and observations.The central role of these fundamental cycles has prompted scientific institutions or meteorological centers to develop digital platforms dedicated to the integration,modelling,and assimilation of Earth observation data,e.g.,Big Earth Data Science Engineering(Guo,Li,and Qiu 2020). | Tianjie Zhao Michael H.Cosh Alexandre Roy Xihan Mu Yubao Qiu Jiancheng Shi | 2021 | International Journal of Digital Earth2021，14，10： | 0 |
| 2 | Understanding temporal stability:a long-term analysis of USDA ARS watersheds显示文摘The U.S.Department of Agriculture’s Agricultural Research Service(USDAARS)maintains seven in situ soil moisture networks throughout the continental United States,some since 2002.These networks are crucial for understanding the spatial and temporal extent of droughts in their historical context,parameterization of hydrologic models,and local agricultural decision support.However,the estimates from these networks are dependent upon their ability to provide reliable soil moisture information at a large scale.It is also not known how many network stations are sufficient to monitor watershed scale dynamics.Therefore,the objectives of this research were to:(1)determine how temporally stable these networks are,including the relationships between various sensors on a year-to-year and seasonal basis,and(2)attempt to determine how many sensors are required,within a network,to approximate the full network average.Using data from seven in situ,it is concluded that approximately 12 soil moisture sensors are sufficient in most environments,presuming their locations are distributed to capture the hydrologic heterogeneity of the watershed.It is possible to install a temporary network containing a suitable number of sensors for an appropriate length of time,glean stable relationships between locations,and retain these insights moving forward with fewer sensor resources. | Evan J.Coopersmith Michael H.Cosh Patrick J.Starks David D.Bosch Chandra Holifield Collins Mark Seyfried Stan Livingston John Prueger | 2021 | International Journal of Digital Earth2021，14，10： | 0 |
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