Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Gen Takao"'
Publikováno v:
AGRIVITA Journal of Agricultural Science, Vol 41, Iss 1, Pp 32-39 (2019)
The objective of this study was to investigate a method of measuring bamboo diameter at breast height (DBH) for biomass estimation using Monte Carlo sampling. The data for this study were collected in Paung Laung Reserve Forest, Myanmar. The research
Externí odkaz:
https://doaj.org/article/e0137c922ec94be5ac3e347a04818824
Autor:
Tetsuji Ota, Miyuki Ogawa, Katsuto Shimizu, Tsuyoshi Kajisa, Nobuya Mizoue, Shigejiro Yoshida, Gen Takao, Yasumasa Hirata, Naoyuki Furuya, Takio Sano, Heng Sokh, Vuthy Ma, Eriko Ito, Jumpei Toriyama, Yukako Monda, Hideki Saito, Yoshiyuki Kiyono, Sophal Chann, Nang Ket
Publikováno v:
Forests, Vol 6, Iss 11, Pp 3882-3898 (2015)
We investigated the capabilities of a canopy height model (CHM) derived from aerial photographs using the Structure from Motion (SfM) approach to estimate aboveground biomass (AGB) in a tropical forest. Aerial photographs and airborne Light Detection
Externí odkaz:
https://doaj.org/article/b1fc322664b44be99807dafc4b7ab8d7
Autor:
Tetsuji Ota, Oumer S. Ahmed, Steven E. Franklin, Michael A. Wulder, Tsuyoshi Kajisa, Nobuya Mizoue, Shigejiro Yoshida, Gen Takao, Yasumasa Hirata, Naoyuki Furuya, Takio Sano, Sokh Heng, Ma Vuthy
Publikováno v:
Remote Sensing, Vol 6, Iss 11, Pp 10750-10772 (2014)
In this study, we test and demonstrate the utility of disturbance and recovery information derived from annual Landsat time series to predict current forest vertical structure (as compared to the more common approaches, that consider a sample of airb
Externí odkaz:
https://doaj.org/article/ea04703396ba407db97502142b1af7bf
Autor:
Katsuto Shimizu, Tetsuji Ota, Tsuyoshi Kajisa, Nobuya Mizoue, Shigejiro Yoshida, Gen Takao, Yasumasa Hirata, Naoyuki Furuya, Takio Sano, Sokh Heng, Ma Vuthy
Publikováno v:
Land, Vol 3, Iss 4, Pp 1270-1283 (2014)
The objectives of this study are to: (1) evaluate accuracy of tree height measurements of manual stereo viewing on a computer display using digital aerial photographs compared with airborne LiDAR height measurements; and (2) develop an empirical mode
Externí odkaz:
https://doaj.org/article/23e7aecb67c44882985db027e1990912
Autor:
Sota Hirayama, Kazushi Matsuura, Kensuke Fukuda, Masato Hayashi, Masayoshi Takahashi, Takashi Yamanobe, Takeo Tadono, Osamu Ochiai, Hideki Saito, Gen Takao, Ko Hamamoto, Takuya Itoh
Publikováno v:
Journal of the Japanese Forest Society. 103:215-223
Autor:
Masato Hayashi, Takeo Tadono, Osamu Ochiai, Ko Hamamoto, Sota Hirayama, Hideki Saito, Masayoshi Takahashi, Gen Takao, Takashi Yamanobe, Kazushi Matsuura, Kensuke Fukuda, Takuya Itoh
Publikováno v:
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium.
Publikováno v:
AGRIVITA Journal of Agricultural Science, Vol 41, Iss 1, Pp 32-39 (2019)
The objective of this study was to investigate a method of measuring bamboo diameter at breast height (DBH) for biomass estimation using Monte Carlo sampling. The data for this study were collected in Paung Laung Reserve Forest, Myanmar. The research
Autor:
Satoshi Tsuyuki, Gen Takao, Daniel James, Yasumasa Hirata, Keiko Ioki, Shazrul Azwan Johari, Hideki Saito, Wilson Wong, Zia Yiing Ling, Alexius Korom, Mui How Phua
Publikováno v:
Remote Sensing of Environment. 173:304-313
Human activities in tropical forests, such as logging or shifting cultivation, largely affect forest biodiversity. These disturbances often create small patches of successional vegetation and heterogeneous spatial patterns. Airborne LiDAR can detect
Publikováno v:
Journal of Forest Planning. 21:39-52
Digital photogrammetry has advanced to the point where digital elevation models (DEMs) can be derived in full automation from stereo images, offering new opportunities in various fields including forestry. However, the performance and limitations of
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