Spatial-temporal Distribution Characteristics of Snow Depth in Mongolian Plateau Based on Reanalysis Data

DOI

10.2991/rac-18.2018.40How to use a DOI?

Keywords

snow depth; Mongolian Plateau; meteorological factors; spatial-temporal characteristics

Abstract

In this paper, using the 1980-2015 ECMWF reanalysis data, the MVC method was used to obtain the monthly snow depth. Combined with trend analysis, 5a moving average, abnormal year analysis and MK mutation test, we analyze the spatio-temporal characteristics of snow depth and it influencing factors in the Mongolian Plateau. The results showed that: (1) the snow depth of the Mongolian Plateau increased at 0.25 mm/a, particular after 2000, but there was no obvious mutation. And the minimum snow depth during the year occurred in October and reached the maximum in February of the following year. (2) Abnormal deep snow depth is mainly occurred in the 21st century, especially after 2009, indicating that it has been in snowy periods. (3) On the spatial distribution, the snow depth of the Mongolian Plateau increases from south to north and from west to east. (4) Snow depth in Mongolian Plateau is mainly affected by temperature and precipitation.

Copyright

© 2018, 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  - Lai Quan
AU  - Yulong Bao
AU  - Yongbin Bao
AU  - Sa Chula
AU  - Yuhai Bao
PY  - 2018/10
DA  - 2018/10
TI  - Spatial-temporal Distribution Characteristics of Snow Depth in Mongolian Plateau Based on Reanalysis Data
BT  - Proceedings of the 8th Annual Meeting of Risk Analysis Council of China Association for Disaster Prevention (RAC 2018)
PB  - Atlantis Press
SP  - 258
EP  - 264
SN  - 2352-5428
UR  - https://doi.org/10.2991/rac-18.2018.40
DO  - 10.2991/rac-18.2018.40
ID  - Quan2018/10
ER  -