搜索结果: 1-15 共查到“知识库 地球物理学 U.S. and China”相关记录27条 . 查询时间(0.19 秒)
2022年9月5日四川泸定M6.8级地震震源破裂过程反演初步结果 Preliminary result for Rupture Process of Sep.5,2022,M6.8 Earthquake,Luding,China（图）
四川泸定 地震震源破裂过程 反演初步结果
2023/1/16
北京时间2022年9月5日12点52分 (UTC 2022-9-5 04:52:20) 在我国四川省泸定县发生了M6.8级地震。地震发生后，我们从IRIS数据中心下载了地震数据资料用于研究地震震源机制和震源破裂过程。选取其中信噪比较高并且沿方位角分布比较均匀的19个远场P波波形（震中距位于30°<△<90°范围之内）和21个SH波波形资料进行点源模型的震源机制解反演；根据反演结果构建有限断层模型进...
Spatiotemporal characteristics of urban air quality in China and geographic detection of their determinants
Air Quality Index (AQI) spatiotemporal characteristics geographic detector China
2018/4/9
Ambient air pollution brought by the rapid economic development and industrial production in China has exerted a significant influence on socio-economic activities and public health, especially in the...
The analyses focusing on formation mechanism of Nanzhangzhuang ground fissure in Hengshui City, China
Ground fissure Mechanism analysis Intersection faults Deep ground water Landform and lithology
2018/3/23
The paper focuses on the formation of Nanzhangzhuang ground fissure through emphatically analysing factors including the intersection fault dislocation, the deep ground-water over-exploitation togethe...
Geochronology, Geochemistry and Sr-Nd-Pb-Hf Isotopes of No. I Complex from the Shitoukengde Ni–Cu Sulfide Deposit in the Eastern Kunlun Orogen, Western China: Implications for the Magmatic Source, Geodynamic Setting and Genesis
Sr-Nd-Pb-Hf isotopes crustal contamination oceanic slab break-off post-collisional extension Shitoukengde Ni-Cu deposit Eastern Kunlun Orogen
2018/4/10
The Shitoukengde Ni-Cu deposit, located in the Eastern Kunlun Orogen, comprises three mafic–ultramafic complexes, with the No. I complex hosting six Ni-Cu orebodies found recently. The deposit is host...
International Association of Hydrogeologists and China
International Association of Hydrogeologists China History Publication
2018/3/23
Before 1985, there were a few Chinese participators for International Association of Hydrogeologists which founded in 1956. The Chinese team composed of senior hydrogeologists attended the 17th and 18...
MARINE GEOID UNDULATION ASSESSMENT OVER SOUTH CHINA SEA USING GLOBAL GEOPOTENTIAL MODELS AND AIRBORNE GRAVITY DATA
Global Geopotential Model Geoid Undulations Airborne Gravity Gravity Missions
2016/10/14
Global geopotential models (GGMs) are vital in computing global geoid undulations heights. Based on the ellipsoidal height by Global Navigation Satellite System (GNSS) observations, the accurate ortho...
On the validity of the regional time and magnitude predictable model in China
time dependent seismicity validation test China
2015/9/30
A simplified form of the "regional time and magnitude predictable model" gives the time interval, T, between two successive mainshocks in a region and the magnitude, Mf, of the following mainshock by ...
Paleoseismology of the Xorxol Segment of the Central Altyn Tagh Fault,Xinjiang,China
paleoseismology Altyn Tagh Fault strike-slip faults India-Eurasia collision
2015/9/16
Although the Altyn Tagh Fault (ATF) is thought to play a key role in accommodating India-Eurasian convergence, little is known about its earthquake history. Studies of this strike-slip fault are impor...
Holocene earthquakes on the Zemuhe Fault in Southwestern China
Holocene earthquakes Zemuhe Fault Southwestern China
2015/9/16
The Zemuhe Fault is a prominent active fault in Southwestern China. Seven ravines along a 5 km long fault scarp indicate seven large magnitude earthquakes in the Holocene. The youngest four ravines we...
Late Quaternary history of paleoseismic activity along the Hohhot Segmentof the Daqingshan piedmont faultin Hetao depression zone,North China
Daqingshan piedmont fault (China) Hohhot Segment paleoearthquakes seismichistory completeness of paleoseismic record
2015/9/16
The Daqingshan Piedmont Fault (DPF) is one of the major active normal faults in the Hetao depression zone in the northern part of Ordos Block, North China. It extends in NEE direction along the Daqing...
Characteristics of the active Luoshan Fault since Late Pleistocene,North Central China
northeastern margin of Tibet plateau paleoseismology slip-rate
2015/9/16
The Luoshan Fault located at the northeastern margin of Tibet plateau strikes roughly N-S, and is composed of six left-stepping sections with a total length of 60 km. Much evidence suggests that the L...
Historical earthquake investigation and research in China
historical earthquakes catalogues intensity isoseismals
2015/9/14
China is one of the countries with the longest tradition of culture and has suffered many earthquake disasters, so
many earthquake documents have therefore been conserved. In this paper we try to out...
Potential reasons for ionospheric anomalies detected by nonlinear principal component analysis just before the China Wenchuan earthquake, and their relationship to source conditions
Nonlinear Principal Component Analysis (NLPCA) Principal Component Analysis (PCA) Total Electron Content (TEC),
2015/8/27
Nonlinear principal component analysis (NLPCA) was performed to examine the total electron content (TEC) anomalies for the China Wenchuan earthquake of May 12, 2008 (= 7.9). This was applied to global...
Characterization and interaction of driving factors in karst rocky desertification: a case study from Changshun, China
In the southwest ecological problems karst rocky desertification the regional sustainable development the karst environment
2015/1/6
As the most severe ecological issue in southwest China, karst rocky desertification (KRD) has both threatened and constrained regional sustainable development. Comprehensively understanding the relati...
Analysis of land cover change and its driving forces in a desert oasis landscape of Xinjiang, northwest China
Drought warming land cover extreme drought desert oasis the landsat images traditional vegetation
2015/1/6
The combined effects of drought, warming and the changes in land cover have caused severe land degradation for several decades in the extremely arid desert oases of southern Xinjiang, northwest China....