अपवाह का वह भाग जो अवक्षेपण के तुरन्त पश्चात् नदी में प्रवेश कर जाता है। इसमें सतही अपवाह, सत्वर अन्तर प्रवाह तथा वाहिका अवक्षेपण शामिल होते है। इसको प्रत्यक्ष अपवाह भी कहते है।
That part of runoff which enters the stream immediately after precipitation. It includes surface runoff, prompt inter-flow and channel precipitation. It is also called direct runoff.
That part of runoff which enters the stream immediately after precipitation. It includes surface runoff, prompt inter-flow and channel precipitation. It is also called direct runoff.
