Continuously Vegetation Greening over Inner Mongolia for the Past Three Decades

نویسندگان

چکیده

The warming climate has rapidly altered vegetation growth in drylands, and consequently, put great pressure on sustainable livelihoods. Various datasets have been applied from local to global scale study dynamics there is a lack of solid comparison among multiple datasets. Note that might shift over time the greening browning components long-time span be masked by linear trend. Here, we aim monitor long-term nonlinear greenness for Inner Mongolia (an important part dryland Asia). As useful tool indicates greenness, NDVI (Normalized Difference Vegetation Index) LAI (Leaf Area integrals derived GIMMS (Global Inventory Modelling Mapping Studies) NDVI3g LAI3g products are applied. During period 1982-2016, NDVI/LAI an overall acceptable consistency characterizing trends with large/small increase at rate 0.96, 1.72, 2.23, 3.13 per decade, respectively. experienced noticeable process (71% 82% area integrals, 67% 73% integrals), despite fragmentally distributed eastern partial northern Mongolia. inferred trend analysis, found still prevalent. under analysis was actually transferring greening, while changing browning. Increased occurrences frequency breakpoints after 1999 suggest previously stable ecology more sensitive external disturbances such as climatic impact anthropogenic intervention.

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ژورنال

عنوان ژورنال: Remote Sensing

سال: 2021

ISSN: ['2315-4632', '2315-4675']

DOI: https://doi.org/10.3390/rs13132446