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무인항공기와 위성영상을 이용한 몽골 북부 사구 지형 변화 분석

Analysis of Topographic Change for Sand Dunes in Northern Mongolia Using Unmanned Aerial Vehicle and Satellite Image

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참고문헌

키워드

주제분류지리학

초록

This study focuses on relationship between wind condition (speed and direction) and topographic change for sand dunes in Northern Mongolia for 2012-2019 using unmanned aerial vehicle and satellite image. As a result, seven dunes were moving southward at a slow speed of 2-3 m/yr by the effective wind from northwest. It is considered that wind can affect the dune migration only at short period of the year. Moreover, carbonated layer in the deposit and vegetation could play limiting factors for dune migration. Change of crossbedding direction from 4.1-0.3 ka is significant evidence for change of prevailing wind direction.

Abstract

This study focuses on relationship between wind condition (speed and direction) and topographic change for sand dunes in Northern Mongolia for 2012-2019 using unmanned aerial vehicle and satellite image. As a result, seven dunes were moving southward at a slow speed of 2-3 m/yr by the effective wind from northwest. It is considered that wind can affect the dune migration only at short period of the year. Moreover, carbonated layer in the deposit and vegetation could play limiting factors for dune migration. Change of crossbedding direction from 4.1-0.3 ka is significant evidence for change of prevailing wind direction.

참고문헌 (23)

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