ERS-2 (European Remote Sensing Satellite-2)
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https://www.earthdata.nasa.gov/data/catalog/alaska-satellite-facility-distributed-active-archive-center-ers-2-version-1
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NASA’s provision of the European Space Agency’s (ESA) European Remote Sensing satellites (ERS-1 and ERS–2) Synthetic Aperture Radar (SAR) data archive via the ASF DAAC is free and open by agreement between NASA and ESA. As part of the Earth Observation Heritage Data Program (LTDP+), the ERS-1 and -2 missions provide scientists with historically accurate and easily accessible information to help further understand the dynamics of our planet.ASF holds a subset of all ERS data.OverviewERS-1 and ERS-2 primarily collected high-resolution imagery within the ASF and the McMurdo, Antarctica, station masks. The datapool contains ASF standard beam odd frames, as well as the first and last frames of each imaged swath. ERS 2 flew in tandem with ERS-1 for 9 months in 1995/1996. Both sets of data are suitable for interferometry.Click to read more on the ESA websiteERS-2 Dataset SummaryDataset PropertyValueTemporal Coverage1995 - 2011Repeat Cycle35 daysSpatial CoveragePrimarily imagery within the ASF and the McMurdo, Antarctica station masksCenter Frequency5.3 GHz/C-band 5.6 cmPolarizationSingle Polarization (VV)Spatial Resolution26 m in range (across track)Between 6 m and 30 m in azimuth (along track)Swath Width100 kmOff-Nadir Angle21°File formatCEOSProviderESADate published:1995ERS-2 Mission phasesERS-2 had one multi-disciplinary phase planned, but in early 2011, ESA changed the satellite orbit so SAR images of the Antarctic could be recorded with the same viewing angle every three days rather than every 35 days. For more information on the phase, see the Delft University of Technology website, which retrieved the information originally from ESA/ESRIN:ERS-2, 29-April-96 to 5-Sept-2011
美国国家航空航天局(NASA)根据与欧洲航天局(ESA)之间的协议,免费且公开地提供了欧洲遥感卫星(ERS-1和ERS-2)合成孔径雷达(SAR)数据档案,该档案通过美国地球观测遗产数据计划(LTDP+)的一部分,为科学家们提供了历史准确且易于获取的信息,有助于进一步理解我们星球的动力学。美国地球观测系统数据中心(ASF)持有所有ERS数据的一部分。概述:ERS-1和ERS-2主要收集了美国地球观测系统数据中心(ASF)和麦克默多站,南极,的掩膜区域内的超高分辨率图像。数据池包含ASF标准波束奇数帧,以及每个成像条带的起始和结束帧。ERS-2在1995/1996年与ERS-1并行飞行了9个月。这两套数据都适用于干涉测量。点击此处阅读更多关于ESA网站上的信息。ERS-2数据集摘要:数据集属性值时间覆盖范围:1995-2011年重访周期:35天空间覆盖范围:主要在美国地球观测系统数据中心(ASF)和麦克默多站,南极,的掩膜区域内的图像中心频率:5.3 GHz/C波段 5.6 cm极化方式:单极化(VV)空间分辨率:在距离向(沿航迹)为26米,在方位向(沿航迹)介于6米到30米之间条带宽度:100公里非视场角:21°文件格式:CEOS数据提供方:ESA发布日期:1995ERS-2任务阶段:ERS-2计划了一个多学科阶段,但截至2011年初,ESA改变了卫星轨道,使得南极的SAR图像能够以每三天相同的观测角度记录一次,而不是每35天记录一次。有关该阶段的信息,请参阅代尔夫特理工大学网站,该网站从ESA/ESRIN最初获取了信息:ERS-2,1996年4月29日至2011年9月5日。
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