Professor Yi Li works at Northwest Agriculture and Forestry University, Shaanxi, China. She has published more than 200 papers in many peer-reviewed journals as the main author or co-author. She has also authored 6 monographs and 1 textbook and won numerous National or Provincial Science and Technology Awards.

• Introduction.- Spatiotemporal Analysis and Impacts Assessment of Agricultural Drought in China.- Materials and Methodology.- Spatial and Temporal Variations of SPI and SSI.- Multivariate Frequency Analysis of Drought Events Using Drought Indices and Copula Functions in China.- Study Area and Data Source.- Drought Indices and Univariate Analysis.- Frequency Analysis Using 2-Variate Archimedean Copula.- Frequency Analysis Using 3-Variate Archimedean Copula.- Frequency Analysis Using Four-Variate Archimedean Copula.- Spatiotemporal Analysis and Impacts Assessment of Agricultural Drought in China.- Study Area and Data.- Drought Evolutions Over Different Land Cover Types.- The Response of Vegetation Phenology and Productivity to Extreme Climatic.- Drought Indices Performance for Predicting Agriculture Drought.- The Effects of Agricultural Drought on Crop Production.- Conclusions.

Professor Yi Li works at Northwest Agriculture and Forestry University, Shaanxi, China. She has published more than 200 papers in many peer-reviewed journals as the main author or co-author. She has also authored 6 monographs and 1 textbook and won numerous National or Provincial Science and Technology Awards.

• Introduction.- Spatiotemporal Analysis and Impacts Assessment of Agricultural Drought in China.- Materials and Methodology.- Spatial and Temporal Variations of SPI and SSI.- Multivariate Frequency Analysis of Drought Events Using Drought Indices and Copula Functions in China.- Study Area and Data Source.- Drought Indices and Univariate Analysis.- Frequency Analysis Using 2-Variate Archimedean Copula.- Frequency Analysis Using 3-Variate Archimedean Copula.- Frequency Analysis Using Four-Variate Archimedean Copula.- Spatiotemporal Analysis and Impacts Assessment of Agricultural Drought in China.- Study Area and Data.- Drought Evolutions Over Different Land Cover Types.- The Response of Vegetation Phenology and Productivity to Extreme Climatic.- Drought Indices Performance for Predicting Agriculture Drought.- The Effects of Agricultural Drought on Crop Production.- Conclusions.