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| 1 | 应用AMSR-E 89GHz遥感数据反演北极多年冰密集度显示文摘被动微波辐射计AMSR-E在89GHz频段的空间分辨率几乎是其它低频段的2倍。到目前为止,已经有成熟的算法采用AMSR-E 89GHz频段的数据来反演整体海冰的密集度,而本文根据89GHz频段亮温数据针对一年冰、多年冰以及无冰水面的不同特性,提出了一种反演多年冰密集度的方法(AC)。计算了2007年北极的整体海冰和多年冰密集度,并与NASA TEAM算法(NT)的结果作了比较。对于整体海冰密集度,两种算法反演的结果基本一致。从日平均上来看,AC算法得到的整体海冰覆盖面积只比NT算法多25万km2。但是对于多年冰的反演结果,AC算法得到的结果比NT的结果要多出146万km2,冬季差别尤其大。造成这种差别的原因可能是AC算法对于北极表面气温的变化比较敏感。另外,AC算法计算得到2007年最大海冰覆盖面积为1400万km2,最小海冰覆盖面积为400万km2,这与其它研究结果一致。 | 王欢欢 Georg Heygster 韩树宗 程斌 | 2009 | 极地研究2009，21，3： | 10 |
| 2 | Comparison of CloudSat Cloud Liquid Water Paths in Arctic Summer Using Ground-Based Microwave Radiometer显示文摘Arctic clouds strongly influence the regional radiation balance, temperature, melting of sea ice, and freezing of sea water.Despite their importance, there is a lack of systematic and reliable observations of Arctic clouds.The CloudSat satellite launched in 2006 with a 94 GHz Cloud Profiling Radar (CPR) may contribute to close this gap.Here we compare one of the key parameters, the cloud liquid water path (LWP) retrieved from CloudSat observations and from microwave radiometer (MWR) data taken during the ASCOS (Arctic Summer Cloud Ocean Study) cruise of the research vessel Oden from August to September 2008.Over the 45 days of the ASCOS cruise, collocations closer than 3 h and 100 km were found in only 9 d, and collocations closer than 1 h and 30 km in only 2 d.The poor correlations in the scatter plots of the two LWP retrievals can be explained by the patchiness of the cloud cover in these two days (August 5th and September 7th), as confirmed by coincident MODIS (Moderate-resolution Imaging Spectroradiometer) images.The averages of Oden-observed LWP values are systematically higher (40-70 g m-2) than the corresponding CloudSat observations (0-50 g m-2).These are cases of generally low LWP with presumably small droplets, and may be explained by the little sensitivity of the CPR to small droplets or by the surface clutter. | LIU Shuang Georg Heygster ZHANG Suping | 2010 | Journal of Ocean University of China2010，9，4： | 3 |
| 3 | Sea ice remote sensing using AMSR-E 89 GHz channels显示文摘 | Spreen G Kaleschke L Heygster G | 2008 | Journal of Geophysical Research2008，113，： | 1 |
| 4 | Algorithm for retrieval of the effective snow grain size and pollution amount from satellite measurements显示文摘 | E.P. Zege I.L. Katsev A.V. Malinka A.S. Prikhach G. Heygster H. Wiebe | 2011 | Remote Sensing of Environment2011，，10： | 1 |
| 5 | SSM/I sea ice remote sensing for mesoscale ocean-atmosphere interaction analysis : Ice and icebergs 显示文摘 | KALESCHKE L HEYGSTER G LUPKES C | 2001 | Canadian Journal of Remote Sensing2001，27，5： | 1 |
| 6 | Spatial Resolution Improvement of SSM/I Data with Image Restoration Techniques显示文摘 | Sethmann R Burns B A Heygster G C | 1994 | IEEE Trans Geosci Remote Sensing1994，32，6： | 1 |
| 7 | Spatial resolution improvement of SSM/I data with image restoration teehniques显示文摘 | SETHMANN R BURNS B A HEYGSTER G C | 1994 | IEEE Transactions on Geoscience and Remote Sensing1994，32，6： | 1 |
| 8 | Sea Ice Remote Sensing Using AMSR E 89-Ghz Channels显示文摘 | SPREEN G KALESCHKE L HEYGSTER G | 2008 | Journal of Geophysical Research2008，113，2： | 1 |
| 9 | Improved Retrieval of Total Water Vapor Over Polar Regions From AMSU-B Microwave Radiometer Data显示文摘 | MELSHEIMER Christian GEORG Heygster | 2008 | IEEE Trans Geosci Remote Sens2008，46，8： | 1 |
| 10 | Topographic mapping of the German tidal flats analyzing SAR images with the waterline method显示文摘 | Heygster G Dannenberg J and Notholt J | 2010 | IEEE Transactions on Geoscience and Remote Sensing2010，48，3： | 1 |
| 11 | Analysis of Wind- Sat Third and Fourth Stokes Components over Arctic Sea Ice 显示文摘 | Narvekar P S Heygster G Tonboe R | 2011 | IEEE Transactions on Geoscience and Remote Sensing2011，49，5： | 1 |
| 12 | Sea ice remote sensing using AMSR-E 89 GHz Charmels 显示文摘 | SPREEN G KALESCHKE L HEYGSTER G | 2008 | Journal of Geophysi- cal Research : Oceans2008，113，2： | 1 |
| 13 | The melt pond fraction and spectral sea ice albedo retrieval from MERIS data: validation and trends of sea ice albedo and melt pond fraction in the Arctic for years 2002-2011显示文摘 | Istomina L Heygster G Huntemann M | 2014 | The Cryosphere Discussions2014，8，： | 1 |
| 14 | Amplification of lipopolysaccharide - induced cytokine synthesis in non - small cell lung cancer/neutrophil- synthesis in non cocultures显示文摘 | Grandel U Heygster D Sibelius U | 2009 | Mol Cancer Res2009，7，： | 1 |
| 15 | Interannual to Diurnal Variations in Tropical and Subtropical Deep Convective Clouds and Convective Overshooting from Seven Years of AMSU-B Measurements显示文摘 | Hong Gang Heygster Georg Notholt Justus Buehler Stefan A | 2008 | Journal of Climate2008，，17： | 1 |
| 16 | 北极海冰变化对COVID-19的气候响应显示文摘Arctic sea ice plays an essential role in regional and global climate by dynamic processes and feedbacks associated with its high reflectivity, thermal insulation especially in presence of snow cover, and brine rejection [1]. Both observations and model simulations show that Arctic sea ice extent has dramatically declined and thinned in the past few decades [2] in response to global warming and cumulative anthropogenic greenhouse gas(GHG)emissions [3,4]. | 陈卓奇 王绍银 叶玉芳 刘骥平 Georg Heygster Mohammed Shokr 惠凤鸣 程晓 | 2021 | Science Bulletin2021，66，20： | 1 |
| 17 | Sea ice remote sensing using AMSR-E 89 GHz channels显示文摘 | Spreen G Kaleschke L Heygster G | 2008 | Journal of Geophysical Research: Oceans2008，113，： | 1 |
| 18 | Spatial resolution im- provement of SSM/I data with image restoration techniques显示文摘 | Sethmann R Burns B A Heygster G C | 1994 | IEEE Trans Geosci Remote Sens1994，32，1： | 1 |
| 19 | Spatial Resolution Improvement of SSM/I Data with Image Restoration Techniques显示文摘 | Sethmann R Burns B A Heygster G C | 1994 | IEEE Trans Geosci Remote Sensing1994，32，6： | 1 |
| 20 | Sea ice remote sensing using AMSR-E89-GHz channels显示文摘 | Spreen G Kaleschke L Heygster G | 2008 | Journal of Geophysical Research Oceans2008，113，2： | 1 |
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