Nature of Inner Asia
Bibliographic description:
, , , , , SPATIOTEMPORAL VARIATIONS OF VEGETATION CHANGE AND ITS RESPONSE TO CLIMATE CHANGE IN MONGOLIA DURING 1982–2015 // Nature of Inner Asia. - 2022. №2-3(21). . - С. 37-51.
Title:
SPATIOTEMPORAL VARIATIONS OF VEGETATION CHANGE AND ITS RESPONSE TO CLIMATE CHANGE IN MONGOLIA DURING 1982–2015
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Using the 1982–2015 GIMMS NDVI growing season (April — October) data, the average temperature and monthly precipitation data of 60 meteorological stations in the same period, the linear trend analysis method, the Mann-Kendall trend analysis method, the Pearson correlation we have studied the relationship between vegetation cover change and climate change in Mongolia and their response relationship.
The results show that in the past 34 years, the average NDVI of the growing season in Mongolia has gradually increased from south to north in space. From the seasonal point of view, the NDVI showed an increasing trend in all three seasons. From the impact of vegetation NDVI, the impact of precipitation on vegetation NDVI was greater than that of temperature. The response of different vegetation types to precipitation is greater than that of air temperature, and alpine grassland vegetation has a significantly effect on air temperature and precipitation.
The results show that in the past 34 years, the average NDVI of the growing season in Mongolia has gradually increased from south to north in space. From the seasonal point of view, the NDVI showed an increasing trend in all three seasons. From the impact of vegetation NDVI, the impact of precipitation on vegetation NDVI was greater than that of temperature. The response of different vegetation types to precipitation is greater than that of air temperature, and alpine grassland vegetation has a significantly effect on air temperature and precipitation.
Keywords:
NDVI, vegetation type, air temperature, precipitation, temporal and spatial evolution characteristics.
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Piao S. L., Fang J. Y. (2003). Seasonal Changes in Vegetation Activity in Response to Climate Changes in China between 1982 and 1999. Acta Geographica Sinica, 58(1): 119–125.
Wang X. H., Piao S. L., Ciais P. et al. (2011). Spring Temperature Change and its Implication in the Change of Vegetation Growth in North America from 1982 to 2006. Proceedings of the National Academy of Sciences, 108(4): 1240–1245.
Zhou W., Gang C. C., Li J. L. et al. (2014). Spatial-temporal dynamics of grassland coverage and its response to climate change in China during 1982–2010. Acta Geographica Sinica, 69(1): 15–30.
Mu S. J., Li J. L., Chen Y. Z., et al. (2012). Spatial differences of variations of vegetation coverage in Inner Mongolia during 2001–2010. Acta Geographica Sinica, 67(9): 1255–1268.
Sun Y. L., Guo P., Yan X. D. et al. (2010) Dynamics of Vegetation Cover and Its Relationship with Climate Change and Human Activities in Inner Mongolia. Journal of Natural Resources, 25(3): 407–414.
Piao S., Fang J., Zhou L. et al. (2003). Interannual Variations of Monthly and Seasonal Normalized Difference Vegetation Index (NDVI) in China from 1982 to 1999. Journal of Geophysical Research, 108(D14): 4401.
Cui L., Shi J., Yang Y. et al. (2003). Ten-Day Response Characteristics of Vegetation NDVI to Temperature and Precipitation in Eastern China. Acta Geographica Sinica, 64(007): 850–860.
Jia W. (2012). Seasonal Variation Characteristics of Extreme Temperatures in Qilian Mountains and Hexi Corridor in Recent 50 years. Geographical Sciences, 2 32(10): 1377–1390.
Guo Y., Gong D., Wang W. et al. (2013). Statistical Relationship between Summer Cloud Cover and Daily Temperature in Eastern China. Geographical Sciences, 3 33(1): 104–109.
Tucker C. J., Slayback D. A., Pinzon J. E. et al. (2001). Higher northern latitude normalized difference vegetation index and growing sea-son trends from 1982 to 1999. International Journal of Biometeorology, 45(4): 184–190.
Zhou L. M., Tucker C. J., Kaufmann R. K. (2001). Variations in Northern Vegetation Activity Inferred from Satellite Data of Vegetation Index During 1981 to 1999. Journal of Geophysical Research, 106(D17): 20069–20083.
Gan C., Wang X., Li B. et al. (2011). Analysis of Vegetation Coverage Changes in the Lianjiang River Basin in the past 18 years. Geographical Sciences, 31(8): 1019–1024.
Chen H., Liu J., Wang W. (2008). Analysis of Variation Characteristics and Influencing Factors of Vegetation Index in Northern Hebei. Geographical Science, 28(6): 793–798.
Chen F., Liu H. J., Liu S. J. et al. (2019). MODIS-based Desertification Dynamic Monitoring in Mongolia from 2003 to 2017. Journal of Northwest Forestry University. 34(5): 167–171.
Wang J. L., Cheng K., Zhu J. X. et al. (2018). Development and Pattern Analysis of Mongolian Land Cover Data Products with 30 Meters Resolution. Journal of Geoinformation Science, 20(9): 1263–1273.
Bao G., Tuya A., Bayarsaikhan S. et al. (2020). Variations and Climate Constraints of Terrestrial Net Primary Productivity over Mongolia. Quaternary International, 537: 112–125.
Tao S., Fang J., Zhao X. et al. (2015). Rapid Loss of Lakes on the Mongolian Plateau. Proceedings of the National Academy of Sciences of the United States of America, 112(7): 2281–2286.
Tong S., Lai Q., Zhang J. et al. (2018). Spatiotemporal Drought Variability on the Mongolian Plateau from 1980–2014 based on the SPE I-PM Intensity Analysis and Hurst Exponent. Science of the Total Environment, 615: 1557–1565.
Li N., Bao Y. L.,Yin S. et al. (2016). Spatiotemporal Characteristics of Grassland Fire in China-Mongolia Border Regions. Journal of Catastrophology 31(3): 207–210.
Huang X. J., Xie Y. W., Bao Y. H. et al. (2018). Suitable Distribution Areas of Jas’s Larch Inchworm in Mongolia Plateau. Journal of North-West A & F University (Natural Science Edition), 46(4): 98–106.
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