Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Doo-Ahn Kwak"'
Publikováno v:
Remote Sensing, Vol 3, Iss 11, Pp 2346-2363 (2011)
In this study, individual tree height (TH), crown base height (CBH), crown area (CA) and crown volume (CV), which were considered as essential parameters for individual stem volume and biomass estimation, were estimated by both an airborne laser scan
Externí odkaz:
https://doaj.org/article/f02cdef9a3414ff39524731dab73b693
Publikováno v:
Sensors, Vol 11, Iss 2, Pp 1943-1958 (2011)
This study investigated whether high-resolution satellite imagery is suitable for preparing a detailed digital forest cover map that discriminates forest cover at the tree species level. First, we tried to find an optimal process for segmenting the h
Externí odkaz:
https://doaj.org/article/a2a9864bf746410b8c424a472a036290
Autor:
Byung Heon Jung, Hee Han, Ki Dong Kim, Doo Ahn Kwak, Jong Su Yim, Jeong Hee Lee, Hyung Tae Choi, Eun Sook Kim, Joong Hoon Shin
Publikováno v:
Korean Journal of Forest Economics. 28:61-71
Autor:
Soon-Duk Kwon, Doo-Ahn Kwak
Publikováno v:
Journal of Agriculture & Life Science. 54:27-33
Publikováno v:
Journal of the Korean Association of Geographic Information Studies. 19:12-29
The purpose of this study was to improve forestland characteristic evaluation system`s indicators for rational development and ecosystem conservation. There has been no consideration for statistical duplication between variables, and it caused ineffi
Autor:
Jongyeol Lee, Kamariah Abu Salim, Eunji Kim, Moonil Kim, Mihae Yoon, Doo-Ahn Kwak, Sohye Lee, Woo-Kyun Lee, Yowhan Son
Publikováno v:
Korean Journal of Remote Sensing. 31:127-136
본 연구는 항공 LiDAR 자료를 이용하여 열대원시림인 브루나이 지역의 지상부 생체량을 정량화하기 위하여 수행되었다. 25ha 크기의 연구대상지에 0.09ha ( $30m{\times}30m$ ) 크기의 24개의 표본구
Estimating carbon dynamics in forest carbon pools under IPCC standards in South Korea using CBM-CFS3
Autor:
Dong-Hoon Ryu, Doo Ahn Kwak, Woo-Kyun Lee, Scott Morken, Moonil Kim, Carolyn Smyth, Werner A. Kurz
Publikováno v:
iForest-Biogeosciences and Forestry, Vol 10, Iss 1, Pp 83-92 (2017)
The main objective of this study was to estimate past and future dynamics of forest carbon pools in South Korea, as classified by the Intergovernmental Panel on Climate Change (IPCC) Good Practice Guidance (GPG) and to test the Carbon Budget Model of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f6b9256b2611c9d939ebb8ec9fe141e
http://pure.iiasa.ac.at/id/eprint/13785/
http://pure.iiasa.ac.at/id/eprint/13785/
Autor:
Guishan Cui, Woo-Kyun Lee, Damin Kim, Eun Jung Lee, Hanbin Kwak, Hyun-Ah Choi, Doo-Ahn Kwak, Seongwoo Jeon
Publikováno v:
Journal of Plant Biology. 57:225-238
This paper quantified carbon budget in the past 30 years (1981–2010) and identified the impact of land cover change on carbon dynamics using vegetation integrated simulator for trace gases (VISIT) model. North Korea was converted from carbon sink t
Autor:
Anup K. Prasad, Doo Ahn Kwak, Seung-Ho Lee, Hesham El-Askary, Woo-Kyun Lee, So Ra Kim, Menas Kafatos
Publikováno v:
Photogrammetric Engineering & Remote Sensing. 80:675-685
In this study, the Savitzky-Golay filter was applied to smooth observed unnatural variations in the temporal profiles of the Normalized Difference Vegetation Index (NDVI) and the Enhanced Vegetation Index (EVI) time series from the MODerate Resolutio
Publikováno v:
International Journal of Remote Sensing. 35:4601-4629
This study explored the feasibility of height distributional metrics and intensity values extracted from low-density airborne light detection and ranging (lidar) data to estimate plot volumes in dense Korean pine (Pinus koraiensis) plots. Multiple li