تحلیل تأثیر پوشش گیاهی و تغییر اقلیم در رخداد سیلاب‌های حوزه آبخیز قزل اوزن استان کردستان

In recent years, several floods have occurred in the Qezalozan watershed of Kurdistan province, which has led to a lot of financial losses. In this research, an attempt is made to identify the causes of floods in this basin with field investigations and meteorological data and statistics and ground factors. At first, the location of floods was collected from the flood data bank of the Natural Resources and Watershed Organization of the country. After a direct field visit to the locations of flood occurrences as well as the upstream areas related to each flood occurrence, environmental characteristics such as the state of vegetation, land slope, soil science and land use were investigated. Rainfall information and statistics were also received from the National Meteorological Organization and the trend of changes in rainfall pattern was evaluated. The results showed that the condition of the vegetation in the areas upstream of the location of the flood events was not favorable and in recent years due to the destruction of the pastures due to plowing, excessive grazing and early grazing, the vegetation of the pastures has been significantly lost.