Kirti Delhi, India 226 Questions 325 Answers 23 Best Answers 1k Points View Profile Kirti Asked: May 13, 20212021-05-13T22:55:17+05:30 2021-05-13T22:55:17+05:30In: UPSC PRELIMS Gully erosion and Ravines. Describe the impact of gullies and ravines on soil erosion. geography Share Facebook 1 Answer Recent Ishu Innovative 370 Questions 228 Answers 176 Best Answers 1k Points View Profile Best Answer Ishu Innovative 2021-05-13T22:59:47+05:30Added an answer on May 13, 2021 at 10:59 pm Soil erosion has become now one of the major environmental problems and a serious constraint for agricultural production. There are many physical and social factors that determine the extent and severity of soil erosion. They are: Erosivity of rainfall Erodibility of soil The severity of periodic floods, Length and steepness of the slope. The important social factors are deforestation, overgrazing, nature of land use and methods of cultivation. Ravines, gullies and landslides are the most serious and highly visible forms of land erosion. On the other hand, sheet erosion caused by rains and erosion due to winds is least visible but equally serious as they too take a heavy toll on our precious topsoils. Soil erosion by ravines and gullies is widespread in India, It has been estimated that 3.67 million hectares of the soil surface are damaged. There are four major areas of ravines and gullies in India. They are Yamuna-Chambal ravine zone, Gujarat ravine zone, The Punjab Siwalik foothills zone and Chhotanagpur zone There are other areas of substantial ravine erosion in the Mahanadi valley, upper Son valley, upper Narmada and Tapi valleys, Siwalik and Bhabar tract of the western Himalayan foothills and edges of Ganga Khadar in western Uttar Pradesh. 1 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Cancel the best answer Leave an answerCancel replyYou must login or register to add a new answer. Related Questions Tell us about the Silver Distribution in India. Tell us about the Mica Distribution in India.