Research Article
Evolution of Hydrological Drought in Human Disturbed Areas: A Case Study in the Laohahe Catchment, Northern China
Figure 7
Time series of (a) agricultural products, (b) population, (c) gross industrial product (GIP), and (d) gross domestic product (GDP) in Chifeng, the main city within the Laohahe catchment, from 1949 to 2005.
(a) Agricultural production |
(b) Population |
(c) Gross industrial product (GIP) |
(d) Gross domestic product (GDP) |