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Radiation belt electron wisp inside South Atlantic Anomaly due to terrestrial VLF transmitter observed by MSS-1
《Science China Earth Sciences》2025年第2期538-548,共11页Yixin SUN Ying LIU Qiugang ZONG Yixin HAO Hong ZOU Yuguang YE 
supported by the National Natural Science Foundation of China (Grant No. 42230202), the National Natural Science Foundation of China (Grant No. 42404171);the Major Project of Chinese National Programs for Fundamental Research and Development (Grant No. 2021YFA0718600);the China Postdoctoral Science Foundation (Grant No. 2023M730035)。
The South Atlantic Anomaly represents a region within near-Earth space characterized by a significantly weaker geomagnetic field and a higher flux of energetic particles compared to other areas. It is a space weather ...
关键词：South Atlantic Anomaly Radiation belts Electrons precipitation VLF transmitter Wave-particle interaction 
Characteristics of atmospheric nitrous oxide observed at Mt.Waliguan GAW global station in the inland Eurasia during eighteen years
《Science China Earth Sciences》2024年第1期92-104,共13页Miao LIANG Shuangxi FANG Lixin LIU Yong ZHANG Jianqiong WANG Shuo LIU Hongyang WANG Liangchun DENG 
This work was supported by the National Natural Science Foundation of China(Grant Nos.41730103&41805129).
This study presents atmospheric N_(2)O mole fractions measured from discrete air samples from 2001 to 2018 at Mt.Waliguan(WLG)station(36°17′N,100°54′E,3816 m asl)in China,which is a global background station of th...
关键词：Nitrous oxide(N_(2)O) Observation Long-term trend Seasonal variation Interannual variability 
30m global impervious surface area dynamics and urban expansion pattern observed by Landsat satellites: From 1972 to 2019被引量：3
《Science China Earth Sciences》2021年第11期1922-1933,共12页Xin HUANG Jiayi LI Jie YANG Zhen ZHANG Dongrui LI Xiaoping LIU 
This work was supported by the National Natural Science Foundation of China(Grant Nos.42071311,41771360&41971295).
Using more than three million Landsat satellite images,this research developed the first global impervious surface area(GISA)dataset from 1972 to 2019.Based on 120,777 independent and random reference sites from 270 c...
关键词：LANDSAT URBAN Google earth engine Impervious area Urban expansion 
Specific patterns of XC02 observed by GOSAT during 2009-2016and assessed with model simulations over China被引量：2
《Science China Earth Sciences》2020年第3期384-394,共11页Nian BIE Liping LEI Zhonghua HE Zhaocheng ZENG Liangyun LIU Bing ZHANG Bofeng CAI 
supported by the National Key Research and Development Program of China (Grant No. 2016YFA0600303);the Key Deployment Projects of the Chinese Academy of Sciences (Grant No. ZDRWZS-2019-1-3)
Spatiotemporal patterns of column-averaged dry air mole fraction of CO2(XCO2)have not been well characterized on a regional scale due to limitations in data availability and precision.This paper addresses these issues...
关键词：GEOS-CHEM GOSAT OCO-2 Specific pattern XCO2 
Optimal reduction of anthropogenic emissions for air pollution control and the retrieval of emission source from observed pollutants Ⅰ. Application of incomplete adjoint operator被引量：3
《Science China Earth Sciences》2018年第7期951-956,共6页Qingcun ZENG Lin WU 
supported by the National Natural Science Foundation of China (Grant No. 41630530;the National Key Research and Development Program of China (Grant No. 2016YFC0209000)
The ultimate solution to anthropogenic air pollution depends on an adjustment and upgrade of industrial and energy structures. Before this process can be completed, reducing the anthropogenic pollutant emissions is an...
关键词：Air pollution Optimal control Source retrieval Incomplete adjoint operator 
Stagnant low-energy ions in the near cusp region observed by Cluster被引量：1
《Science China Earth Sciences》2017年第7期1299-1309,共11页LI Kun WEI Yong WAN WeiXing 
supported by DLR (Grant No. 50 OC 1401);supported by the National Natural Science Foundation of China (Grant Nos. 41525016, 41474155, 41661164034);Lunar and Planetary Science Laboratory, Macao University of Science and Technology-Partner Laboratory of Key Laboratory of Lunar and Deep Space Exploration, Chinese Academy of Sciences (Grant No. 039/2013/A2)
Measuring the low-energy ions in the Earth's magnetotail lobes is difficult, because a spacecraft becomes positively charged in a sunlit and tenuous plasma environment. Recent studies have introduced a new method, mak...
关键词：Ionospheric outflow Low-energy ion Potential energy balance Ion stagnation 
Oxygen cyclotron harmonic waves observed using Van Allen Probes被引量：1
《Science China Earth Sciences》2017年第7期1310-1316,共7页YU XiongDong YUAN ZhiGang WANG DeDong HUANG ShiYong LI HaiMeng YU Tao QIAO Zheng 
supported by the National Natural Science Foundation of China (Grant Nos. 41374168, 41521063 & 41174140);Key Grant Project of Chinese Ministry of Education (Grant No. 2042015KF0169);Program for New Century Excellent Talents in University (Grant No. NCET-13-0446)
Fine structured multiple-harmonic electromagnetic emissions at frequencies around the equatorial oxygen cyclotron harmonics are observed by Van Allen Probe A outside the core plasmasphere(L^5) off the magnetic equator...
关键词：Oxygen cyclotron harmonic waves Van Allen Probes Ring current ions Radiation belt 
Spatial and temporal variability of sea ice deformation rates in the Arctic Ocean observed by RADARSAT-1被引量：2
《Science China Earth Sciences》2017年第5期858-865,共8页XIE Tao William PERRIE FANG He ZHAO Li YU WenJin HE YiJun 
supported by the Global Change Research Program of China (Grant No. 2015CB953901);the National Key Research and Development Program of China (Grant No. 2016YFC1401007);the Canadian Program on Energy Research and Development (OERD), the Office of Naval Research (Code 322, “Arctic and Global Prediction”, Grant Number and Principal Investigator: William Perrie, Grant No. N00014-15-1-2611)
Sea ice deformation parameters are important for elucidation of the properties and characteristics of ice-ocean models.Observations of sea ice motion over 11.5 year period(November 1996–April 2008) are used to calcul...
关键词：Sea ice deformation RGPS SAR Arctic Ocean Arctic amplification 
Radial propagation of magnetospheric substorm-injected energetic electrons observed using a BD-IES instrument and Van Allen Probes被引量：9
《Science China Earth Sciences》2016年第7期1508-1516,共9页ZONG QiuGang HAO YiXin ZOU Hong FU SuiYan ZHOU XuZhi REN Jie WANG LingHua YUAN ChongJing LIU ZhiYang JIA XiangHong QUAN Lin LIU Ying WANG YongFu 
supported by the National Natural Science Foundation of China(Grant No.41421003);Major Project of Chinese National Programs for Fundamental Research and Development(Grant No.2012CB825603)
In cases where substorm injections can be observed simultaneously by multiple spacecraft,they can help elucidate the potential mechanisms of particle transport and energization,of great importance to understanding and...
关键词：Substonn injection Energetic electrons Energetic particle acceleration Drift Dispersionless injection 
Inertia gravity wave activity in the troposphere and lower stratosphere observed by Wuhan MST radar被引量：1
《Science China Earth Sciences》2016年第5期1066-1073,共8页QING HaiYin ZHOU Chen ZHAO ZhengYu NI BinBin ZHANG YuanNong 
supported by the National Natural Science Foundation of China (Grant No. 41204111);the Fundamental Research Fund for the Central Universities of China (Grant No. 2014212020202)
The troposphere and lower stratosphere(TLS) is a region with active atmospheric fluctuations. The Wuhan Mesosphere-Stratosphere-Troposphere(MST) radar is the first MST radar to have become operational in China's Mainl...
关键词：Wuhan MST radar TLS Inertia gravity waves Brunt-Vaisala frequency Richardson number 
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