Discussion on Water Vapor Source Based on Hysplit Model and Characteristics of the Isotopes in Precipitation in Yinchuan

DOI

10.2991/icmse-15.2015.95How to use a DOI?

Keywords

Environmental Isotopes; Precipitation; Backwards Trajectory; Temperature effect

Abstract

Base on Hysplit model with Backwards Trajectory showed Yinchuan was dominated by westerly continental vapor throughout the year, and also was influenced by the maritime vapor in spring and summer. Owing to the high temperature, Yinchuan was remarkably effected by local evaporation of water vapor in spring and summer. By dint of isotopes data of the meteoric precipitation in Global Network of Isotopes of Yinchuan station, the changes characteristics of precipitation in Yinchuan were analyzed. The analysis of the relationship between 18O with precipitation and temperature respectively implied that the weighted average of 18O took on a good “temperature effect”. At the same time, it showed a positive correlation between the weighted average of 18O and precipitation, which was related to the arid and semi-arid climate of Yinchuan. The slope and intercept of local meteorological water line (LMWL) of Yinchuan were lower than that of Global Meteorological Water Line ( GMWL) and Chinese precipitation line.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Fei Xie
AU  - Yan-Ling Yu
AU  - Xiang-Nan Qin
PY  - 2015/12
DA  - 2015/12
TI  - Discussion on Water Vapor Source Based on Hysplit Model and Characteristics of the Isotopes in Precipitation in Yinchuan
BT  - Proceedings of the 2015 6th International Conference on Manufacturing Science and Engineering
PB  - Atlantis Press
SP  - 530
EP  - 533
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmse-15.2015.95
DO  - 10.2991/icmse-15.2015.95
ID  - Xie2015/12
ER  -