Results 21 to 30 of about 2,970,939 (235)
Prediction of earth rotation and polar motion [PDF]
, 1981 Prepared for National Aeronautics and Space Administration, Goddard Space Flight Center, Greenbelt, Maryland: Grant No. NSG 5265, OSURF Project 711055Based on the analysis of the polar motion behavior, we found the possibility of predicting polar motion ...
Zhu, Sheng Yuan
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Neural ODE Differential Learning and Its Application in Polar Motion Prediction
Journal of Geophysical Research: Solid Earth, 2022 AbstractThis paper introduces a new learning algorithm for accurate, physically driven time series prediction. The fundamental assumption behind the method is that the phenomena follow Ordinary Differential Equations. We investigate the general case where the time series follows an ODE of degree .
Mostafa Kiani Shahvandi +2 more
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American Polar Society Symposium 2003 [PDF]
, 2003 Women's Roles in Polar Regions: Past, Present, and Future. American Polar Society Symposium 2003. Byrd Polar Research Center, The Ohio State University, Columbus, Ohio, October 9-10, 2003.Byrd Polar Research Center, The Ohio State UniversityAmerican ...
Byrd Polar Research Center
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Differential Learning: A method for polar motion time series prediction
, 2022 <p>Nowadays, many applications such as Global Navigation Satellite Systems (GNSS) or spacecraft tracking require a rapid determination, or even predictions, of the Earth Orientation Parameters (EOP). However, due to the measurement techniques utilized to estimate EOP, the latency can be considerably longer than required, which especially ...
Mostafa Kiani Shahvandi +2 more
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Multi-instrumentation observations of a transpolar arc in the northern hemisphere [PDF]
Annales Geophysicae, 2008 A transpolar arc was imaged by the FUV instrument on the IMAGE spacecraft during a 3-h interval on 5 February 2002. Observations indicate that a burst of reconnection in the geomagnetic tail, which was not associated with a substorm, was responsible ...
A. Goudarzi +3 more
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The polar sciences journal: the past and future of a crucial research instrument
, 2022 Journals dedicated to the polar sciences have been outliers. Within both the history of science and the history of media, they stand out in several ways, including their comparatively late establishment of peer-review. It was not until the second half of
Gielas, Anna M.
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Frontiers in Earth Science, 2021 Spring extreme precipitation poses great challenges to agricultural production and economic development in southern China. From the perspective of prediction, the relationship between spring extreme precipitation frequency (SEPF) in southern China and ...
Mengqi Zhang +3 more
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A note on the annual wobble excitation due to the seasonal atmospheric loading on continents
Terrestrial, Atmospheric and Oceanic Sciences, 2018 Northern Eurasian continent has been regarded to contribute as the major source area, of which seasonal atmospheric pressure loading and unloading cycle leads to the annual wobble of the Earth. In the early days when reliable data of global coverage were
Sung-Ho Na +4 more
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Remote Sensing, 2023 Over the past four decades, Arctic sea ice coverage has steadily declined. This loss of sea ice has amplified solar radiation and heat absorption from the ocean, exacerbating both polar ice loss and global warming.
Dengyan Zhong +4 more
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FEBS Letters, EarlyView.Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav +2 more
wiley +1 more source