Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Raul Ponce Hernandez"'
Autor:
Oumer S. Ahmed, Tetsuji Ota, Raul Ponce-Hernandez, Shigejiro Yoshida, Nobuya Mizoue, Katsuto Shimizu, Zar Chi Win
Publikováno v:
Canadian Journal of Forest Research. 47:289-296
Detecting forest disturbances is an important task in formulating mitigation strategies for deforestation and forest degradation in the tropics. Our study investigated the use of Landsat time series imagery combined with a trajectory-based analysis f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::780afd78f241fa8d6214f74a25431030
https://doi.org/10.1139/cjfr-2016-0244
https://doi.org/10.1139/cjfr-2016-0244
Autor:
Shigejiro Yoshida, Nobuya Mizoue, Raul Ponce-Hernandez, Tetsuji Ota, Zar Chi Win, Oumer S. Ahmed, Katsuto Shimizu
Publikováno v:
International Journal of Remote Sensing. 37:3655-3674
In this study, we evaluated the effects of topographic correction and gap filling of Landsat Enhanced Thematic Mapper Plus ETM+ images on the accuracy of forest change detection through a trajectory-based approach. Four types of Landsat time series s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fde23e1cfab6c10b30f5b210625fb884
https://doi.org/10.1080/01431161.2016.1201230
https://doi.org/10.1080/01431161.2016.1201230
Autor:
Tetsuji Ota, Gen Takao, Eriko Ito, Shigejiro Yoshida, Heng Sokh, Jumpei Toriyama, Nobuya Mizoue, Takio Sano, Sophal Chann, Naoyuki Furuya, Yukako Monda, Yasumasa Hirata, Yoshiyuki Kiyono, Oumer S. Ahmed, Hideki Saito, Nang Ket, Raul Ponce-Hernandez, Vuthy Ma, Tsuyoshi Kajisa
Publikováno v:
Journal of Forest Research. 20:484-492
We developed an empirical model to estimate aboveground carbon density with variables derived from airborne Light Detection and Ranging (LiDAR) in tropical seasonal forests in Cambodia, and assessed the effects of LiDAR pulse density on the accurate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90c49827f7bf8e68fcee4bf713e8bf27
https://doi.org/10.1007/s10310-015-0504-3
https://doi.org/10.1007/s10310-015-0504-3
Autor:
Martin Enrique Romero-Sanchez, Steven E. Franklin, Raul Ponce-Hernandez, Carlos Arturo Aguirre-Salado
Publikováno v:
International Journal of Remote Sensing. 36:2786-2799
A number of methods to overcome the 2003 failure of the Landsat 7 Enhanced Thematic Mapper ETM+ scan-line corrector SLC are compared in this article in a forest-monitoring application in the Yucatan Peninsula, Mexico. The objective of this comparison
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2aaafda590415f008c33a571051c723a
https://doi.org/10.1080/01431161.2015.1047991
https://doi.org/10.1080/01431161.2015.1047991
Publikováno v:
Forests, Vol 8, Iss 9, p 302 (2017)
Forests; Volume 8; Issue 9; Pages: 302
Forests; Volume 8; Issue 9; Pages: 302
Assessing and monitoring forest degradation under national Monitoring, Verification and Reporting (MRV) systems in developing countries have been difficult to implement due to the lack of adequate technical and operational capacities. This study aims
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f696fa405d3a27756531e3f9a995afc6
https://www.mdpi.com/1999-4907/8/9/302
https://www.mdpi.com/1999-4907/8/9/302
Publikováno v:
Environmental Monitoring and Assessment. 188
Lake Urmia is the second largest hypersaline lake in the world in terms of surface area. In recent decades, the drop in water level of the lake has been one of the most important environmental issues in Iran. At present, the entire basin is threatene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6aa051549348e2ef3379217c5c929f87
https://doi.org/10.1007/s10661-016-5456-3
https://doi.org/10.1007/s10661-016-5456-3
Publikováno v:
Environmental Monitoring and Assessment. 117:307-334
Knowledge of the spatial distribution of plant species is essential to conservation and forest managers in order to identify high priority areas such as vulnerable species and habitats, and designate areas for reserves, refuges and other protected ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ec7c4b49b9c498d3fda7917d15c4eb7
https://doi.org/10.1007/s10661-006-0885-z
https://doi.org/10.1007/s10661-006-0885-z
Publikováno v:
Environmental Monitoring and Assessment. 114:225-256
Assessment, planning and management for coral reef ecosystems are particularly challenging tasks, especially in developing countries. In this study, a methodological approach which integrates Geographic Information Systems (GIS) and Multicriteria Eva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a371563bbbeaf3e8ec050f3062fc3e2
https://doi.org/10.1007/s10661-006-4628-y
https://doi.org/10.1007/s10661-006-4628-y
Publikováno v:
Environmental Monitoring and Assessment. 105:145-164
Management of coral reef resources is a challenging task, in many cases, because of the scarcity or inexistence of accurate sources of information and maps. Remote sensing is a not intrusive, but powerful tool, which has been successfully used for th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ab91658a38102bb880827e9cc07f932
https://doi.org/10.1007/s10661-005-3499-y
https://doi.org/10.1007/s10661-005-3499-y
Autor:
Oumer S. Ahmed, Raul Ponce-Hernandez, Tetsuji Ota, Nobuya Mizoue, Shigejiro Yoshida, Katsuto Shimizu, Zar Chi Win
Publikováno v:
Forests; Volume 8; Issue 6; Pages: 218
Forests, Vol 8, Iss 6, p 218 (2017)
Forests, Vol 8, Iss 6, p 218 (2017)
In 2016, in response to forest loss, the Myanmar government banned logging operations for 1 year throughout the entire country and for 10 years in specific regions. However, it is unclear whether this measure will effectively reduce forest loss, beca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62133f78675722be9b86d830caa1e9c9
https://doi.org/10.3390/f8060218
https://doi.org/10.3390/f8060218