延安市1999—2019年植被覆盖时空变化特征

黄智卿，宫阿都

The temporal and spatial changes of fractional vegetation coverage in Yan'an city from 1999 to 2019

HUANG Zhiqing, GONG Adu

河北农业大学学报 . 2022, (3): 97 -104 . DOI: 10.13320/j.cnki.jauh.2022.0049