Monitoring of Crustal Vertical Deformation and Gravity Change Caused by Environmental Load in Wenzhou-Lishui Region Using CORS Network

MAO Weihua; LI Wanqiu; LI Aiqin; JIANG Tao; JI Yuanming; LIU Li; WANG Wei

doi:10.13203/j.whugis20190004

Volume 45 Issue 10

Oct. 2020

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Geomatics and Information Science of Wuhan University > 2020 > 45(10): 1508-1516. > DOI: 10.13203/j.whugis20190004

MAO Weihua, LI Wanqiu, LI Aiqin, JIANG Tao, JI Yuanming, LIU Li, WANG Wei. Monitoring of Crustal Vertical Deformation and Gravity Change Caused by Environmental Load in Wenzhou-Lishui Region Using CORS Network[J]. Geomatics and Information Science of Wuhan University, 2020, 45(10): 1508-1516. DOI: 10.13203/j.whugis20190004

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Monitoring of Crustal Vertical Deformation and Gravity Change Caused by Environmental Load in Wenzhou-Lishui Region Using CORS Network

MAO Weihua^1,,
LI Wanqiu^{2, 3, ,},
LI Aiqin¹,
JIANG Tao²,
JI Yuanming¹,
LIU Li¹,
WANG Wei²

1.
Zhejiang Academy of Surveying and Mapping, Hangzhou 310012, China
2.
Chinese Academy of Surveying and Mapping, Beijing 100830, China
3.
School of Surveying and Geo-Informatic, Shandong Jianzhu University, Jinan 250101, China

Funds:

The National Natural Science Foundation of China 41374081

The National Natural Science Foundation of China 41674024

the National Key Research and Develop-ment Program of China 2016YFB0501702

Fundamental Research Funds for Chinese Academy of Surveying and Mapping 7771806

Fundamental Research Funds for Welfare Scientific Research Institutes of Central Level AR1905

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Author Bio:
MAO Weihua, professor-level senior engineer, specializes in satellite navigation positioning reference and geographic information public services. E-mail: maoweihua@vip.qq.com
Corresponding author:
LI Wanqiu, PhD. E-mail: 24106@sdjzu.edu.cn
Received Date: January 07, 2020
Published Date: October 04, 2020

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Abstract

Abstract

Based on the comprehensive calculation of CORS network, this paper uses the load field removal-recovery technology to study the crustal vertical deformation and ground gravity spatio-temporal changes caused by environmental load in Wenzhou-Lishui region and compares it with GRACE gravity satellite results. Some conclusions are drown as follows: ① The effects of environmental load on the vertical deformation and gravity change of crust are up to the centimeter and ten micro-gauge levels, respectively, and the seasonal variation characteristics are significant. ② The vertical deformation and gravity change in winter show a decreasing and increasing trend from west to east, respectively. ③ Compared with GRACE results, in addition to local region differences, the overall trend of spatiotemporal changes has a higher consistency. ④The CORS network can monitor the spatiotemporal changes of crustal vertical deformation and gravity field caused by total surface environmental load. The research methods and results of this paper can provide an important reference for environmental dynamics research and geological disaster monitoring and early warning.
- CORS network,
- environmental load,
- vertical deformation,
- gravity change

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References (23)

References

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Monitoring of Crustal Vertical Deformation and Gravity Change Caused by Environmental Load in Wenzhou-Lishui Region Using CORS Network

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