http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Yu, Hangnan,Lee, Jong-Yeol,Lee, Woo-Kyun,Lamchin, Munkhnasan,Tserendorj, Dejee,Choi, Sole,Song, Yongho,Kang, Ho Duck The Korean Society of Remote Sensing 2013 大韓遠隔探査學會誌 Vol.29 No.6
Desertification monitoring as a main portion for understand desertification, have been conducted by many scientists. However, the stage of research remains still in the level of comparison of the past and current situation. In other words, monitoring need to focus on finding methods of how to take precautions against desertification. In this study, Vegetation Temperature Condition Index (VTCI), derived from Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST), was utilized to observe the distribution change of vegetation. The index can be used to monitor drought occurrences at a regional level for a special period of a year, and it can also be used to study the spatial distribution of drought within the region. Techniques of remote sensing and Geographic Information System (GIS) were combined to detect the distribution change of vegetation with VTCI. As a result, assuming that the moisture condition is the only main factor that affects desertification, we found that the distribution of vegetation in Bulgan, Mongolia could be predicted in a certain degree, using VTCI. Although desertification is a complicated process and many factors could affect the result. This study is helpful to provide a strategic guidance for combating desertification and allocating the use of the labor force.
( Hangnan Yu ),( Jong Yeol Lee ),( Woo Kyun Lee ),( Munkhnasan Lamchin ),( Dejee Tserendorj ),( Sole Choi ),( Yong Ho Song ),( Ho Duck Kang ) 대한원격탐사학회 2013 大韓遠隔探査學會誌 Vol.29 No.6
Desertification monitoring as a main portion for understand desertification, have been conducted by many scientists. However, the stage of research remains still in the level of comparison of the past and current situation. In other words, monitoring need to focus on finding methods of how to take precautions against desertification. In this study, Vegetation Temperature Condition Index (VTCI), derived from Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST), was utilized to observe the distribution change of vegetation. The index can be used to monitor drought occurrences at a regional level for a special period of a year, and it can also be used to study the spatial distribution of drought within the region. Techniques of remote sensing and Geographic Information System (GIS) were combined to detect the distribution change of vegetation with VTCI. As a result, assuming that the moisture condition is the only main factor that affects desertification, we found that the distribution of vegetation in Bulgan, Mongolia could be predicted in a certain degree, using VTCI. Although desertification is a complicated process and many factors could affect the result. This study is helpful to provide a strategic guidance for combating desertification and allocating the use of the labor force.
Landsat8을 활용한 춘천시 내 산림면적 추출 및 탄소 흡수량 분석
홍민아(Mina Hong),박수경(Sugyeong Park),유항남(Hangnan Yu),이하림(Halim Lee),고영진(YoungJin Ko),이우균(Woo-Kyun Lee) 대한공간정보학회 2019 한국지형공간정보학회 학술대회 Vol.2019 No.5
본 연구는 위성영상, 국가산림자원조사자료와 임상도를 상호 이용하여 춘천시 산림면적의 공간특성을 분석하였고 이를 기반으로 산림 내 임목 축적을 기반으로한 탄소흡수량 변화추이를 살펴보았다. 위성영상을 기반으로 분석한 결과 2013년과 2018년 두 기간 동안 산림 면적은 각각 88,293ha와 88,402ha로 약 100ha의 면적차이가 보였다. 이렇게 분류한 산림지에서 수종 분류 및 임상분류를 통하여 영급은 Ⅲ, Ⅳ이 주를 이루었으며, 임목축적은 125.6719m3와 145.6309m3로 산출되었다. 따라서, 산림과학원에서 제시한 탄소순흡수량 계산식 및 수종별 계수들을 적용한 결과 탄소흡수량은 각각 141,733.5919tC과 147,881.2895tC으로 도출되었다. 이는 춘천시 내 수목의 생장량이 극대치가 되는 Ⅲ, Ⅳ에서 임목 축적에 따른 탄소흡수량을 산정하는데 용이하였다. 따라서, 이를 기반으로 2030 온실가스 감축로드맵에 춘천시의 정책적 제언을 하는데 기여할 수 있다.