Dynamic changes and future trends of vegetation in Inner Mongolia from 2001 to 2021

Mengyao Tuo

doi:10.1117/12.3011256

15 November 2023 Dynamic changes and future trends of vegetation in Inner Mongolia from 2001 to 2021

Mengyao Tuo

Proceedings Volume 12815, International Conference on Remote Sensing, Mapping, and Geographic Systems (RSMG 2023); 128152A (2023) https://doi.org/10.1117/12.3011256
Event: International Conference on Remote Sensing, Mapping, and Geographic Systems (RSMG 2023), 2023, Kaifeng, China

Abstract

As the global climate warms, vegetation is more significantly affected by climate. The time and spatial resolution of the data is 1 month and 1 km, respectively, based on NDVI data from the Modis satellite collected in Inner Mongolia between 2001 and 2021. The Hurst index technique is used to conduct a thorough quantitative study on the vegetation change and projected development trend of Inner Mongolia using the maximum value synthesis methodology, trend analysis approach, Sen slope estimation analysis, and Mann-Kendall testing. The results show that: from 2001 to 2021, the proportions of slightly improved and significantly improved vegetation areas were 5.71% and 42.57%, respectively, and the proportions of slightly degraded and severely degraded areas were 12.03% and 4.93%, respectively. After 2021, the opposite trend of vegetation in the study period is more obvious than the same trend. The area of the opposite trend accounts for 76.45%, and the area of the same trend accounts for 23.54%. In Inner Mongolia, the areas where vegetation coverage will increase and continue to increase in the future account for 7.31% and 20.89% respectively, and the areas where vegetation coverage will decrease and continue to decrease account for 69.15% and 2.66% respectively. In the past 21 years, the overall vegetation has been in an improved state, but in the future, if the previous situation continues to develop, without any intervention measures, the vegetation will tend to degenerate.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Mengyao Tuo "Dynamic changes and future trends of vegetation in Inner Mongolia from 2001 to 2021", Proc. SPIE 12815, International Conference on Remote Sensing, Mapping, and Geographic Systems (RSMG 2023), 128152A (15 November 2023); https://doi.org/10.1117/12.3011256

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KEYWORDS

Vegetation

Analytical research

Climatology

Reflection

Climate change

Satellites

MODIS

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