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Chung-Lin SHIE Long S. CHIU Robert ADLER Eric NELKIN I-I LIN Pingping XIE Feng-Chin WANG R. CHOKNGAMWONG William OLSON D. Allen CHU 《大气科学进展》2009,26(6):1071-1080
Accurate sea surface flux measurements are crucial for
understanding the global water and energy cycles. The oceanic
evaporation, which is a major component of the global oceanic fresh
water flux, is useful for predicting oceanic circulation and
transport. The global Goddard Satellite-based Surface Turbulent
Fluxes Version-2 (GSSTF2; July 1987--December 2000) dateset that was
officially released in 2001 has been widely used by scientific
community for global energy and water cycle research, and regional
and short period data analyses. We have recently been funded by NASA
to resume processing the GSSTF dataset with an objective of
continually producing a uniform dataset of sea surface turbulent
fluxes, derived from remote sensing data. The dataset is to be
reprocessed and brought up-to-date (GSSTF2b) using improved input
datasets such as a recently upgraded NCEP/DOE sea surface
temperature reanalysis, and an upgraded surface wind and microwave
brightness temperature V6 dataset (Version 6) from the Special
Sensor Microwave Imager (SSM/I) produced by Remote Sensing Systems
(RSS). A second new product (GSSTF3) is further proposed with a
finer temporal (12-h) and spatial (0.25ox0.25o)
resolution. GSSTF2b (July 1987--December 2008) and GSSTF3 (July
1999--December 2009) will be released for the research community to
use by late 2009 and early 2011, respectively. 相似文献
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火星迎来了最新的机器居民——来自美国航天局的洞察号(InSight)火星探测器于太平洋标准时间2018年11月26日11点52分确认成功登陆火星表面,登陆地点靠近火星赤道,位于平坦光滑的熔岩地带埃律西昂平原(Elysium Planitia)西侧。 相似文献
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美国航天局钱德拉X射线天文台记录到,一颗中子星穿越其伴星发出的致密星风时的数据。这为天文学家研究星风的结构和组成,以及中子星自身环境提供了宝贵的信息。“星风是快速流动的物质,由质子、电子和恒星中喷出的金属原子等组成。”宾夕法尼亚州立大学天文学和天体物理学博士后研究员。 相似文献
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