کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1764001 1020034 2014 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Validation of GOCE densities and evaluation of thermosphere models
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات علوم فضا و نجوم
پیش نمایش صفحه اول مقاله
Validation of GOCE densities and evaluation of thermosphere models
چکیده انگلیسی
Atmospheric densities from ESA's GOCE satellite at a mean altitude of 270 km are validated by comparison with predictions from the near real time model HASDM along the GOCE orbit in the time frame 1 November 2009 through 31 May 2012. Except for a scale factor of 1.29, which is due to different aerodynamic models being used in HASDM and GOCE, the agreement is at the 3% (standard deviation) level when comparing daily averages. The models NRLMSISE-00, JB2008 and DTM2012 are compared with the GOCE data. They match at the 10% level, but significant latitude-dependent errors as well as errors with semiannual periodicity are detected. Using the 0.1 Hz sampled data leads to much larger differences locally, and this dataset can be used presently to analyze variations down to scales as small as 150 km.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Space Research - Volume 54, Issue 4, 15 August 2014, Pages 576-585
نویسندگان
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