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1. Sensitivity analysis of the typhoon disturbance effect on forest dynamics and carbon balance in the future in a cool-temperate forest in northern Japan by using SEIB-DGVM

Author:
Hirano, Takashi,   et al.   ; Wu, Lan; Kato, Tomomichi; Sato, Hisashi; Yazaki, Tomotsugu;     Show all 5 Authors
Source:
Forest ecology and management 2019 v.451 pp. 117529
ISSN:
0378-1127
Subject:
aboveground biomass; carbon; carbon sinks; climate change; climatic factors; coasts; eddy covariance; forest dynamics; forest ecosystems; grasses; leaf area; long term effects; mixed forests; model validation; models; natural regeneration; net ecosystem production; net primary productivity; tree height; trees; typhoons; windthrow; woody plants; Japan
Abstract:
... Large storms are a major source of natural disturbance in forest ecosystems in coastal regions of the world. With the changing climate, some climate projection models predict that storms will become stronger in the future, especially in the Northwest Pacific. Although the destruction of typhoons has a strong impact on the structure and carbon balance of forest ecosystems, leading to local climate ...
DOI:
10.1016/j.foreco.2019.117529

2. Surface conductance for evapotranspiration of tropical forests: Calculations, variations, and controls

Author:
Hirano, Takashi,   et al.   ; Tan, Zheng-Hong; Zhao, Jun-Fu; Wang, Guan-Ze; Chen, Meng-Ping; Yang, Lian-Yan; He, Chun-Sheng; Restrepo-Coupe, Natalia; Peng, Shu-Shi; Liu, Xue-Yan; da Rocha, Humberto R.; Kosugi, Yoshiko; Saleska, Scott R.; Goulden, Michael L.; Zeng, Jiye; Ding, Fang-Jun; Gao, Fu; Song, Liang;     Show all 18 Authors
Source:
Agricultural and forest meteorology 2019 v.275 pp. 317-328
ISSN:
0168-1923
Subject:
aerodynamics; diurnal variation; dry season; eddy covariance; environmental factors; evaporation; evapotranspiration; models; momentum; seasonal variation; transpiration; tropical forests; turbulent flow; water vapor
Abstract:
... Tropical forests are responsible for the evaporation and transpiration of large quantities of water into the atmosphere annually. Surface conductance (gs) is a poorly understood phenomenon that plays a central role in regulating this evapotranspiration. We studied the calculations, variations, and environmental factors controlling gs based on eddy flux measurements from 10 tropical forest sites th ...
DOI:
10.1016/j.agrformet.2019.06.006

3. Dataset of CarboEastAsia and uncertainties in the CO₂ budget evaluation caused by different data processing

Author:
Hirano, Takashi,   et al.   ; Saigusa, Nobuko; Li, Sheng-Gong; Kwon, Hyojung; Takagi, Kentaro; Zhang, Lei-Ming; Ide, Reiko; Ueyama, Masahito; Asanuma, Jun; Choi, Young-Jean; Chun, Jung Hwa; Han, Shi-Jie; Hirata, Ryuichi; Kang, Minseok; Kato, Tomomichi; Kim, Joon; Li, Ying-Nian; Maeda, Takahisa; Miyata, Akira; Mizoguchi, Yasuko; Murayama, Shohei; Nakai, Yuichiro; Ohta, Takeshi; Saitoh, Taku M.; Wang, Hui-Ming; Yu, Gui-Rui; Zhang, Yi-Ping; Zhao, Feng-Hua;     Show all 28 Authors
Source:
Journal of forest research 2013 v.18 no.1 pp. 41-48
ISSN:
1610-7403
Subject:
air temperature; carbon; carbon dioxide; clearcutting; cropping systems; data collection; drainage systems; ecosystem respiration; ecosystems; eddy covariance; forest management; forests; grasslands; models; net ecosystem exchange; phenology; primary productivity; remote sensing; screening; seasonal variation; uncertainty; Asia
Abstract:
... The datasets of net ecosystem CO₂ exchange (NEE) were acquired from 21 forests, 3 grasslands, and 3 croplands in the eastern part of Asia based on the eddy covariance measurements of the international joint program, CarboEastAsia. The program was conducted by three networks in Asia, ChinaFLUX, JapanFlux, and KoFlux, to quantify, synthesize, and understand the carbon budget of the eastern part of A ...
DOI:
10.1007/s10310-012-0378-6

4. Site-level model–data synthesis of terrestrial carbon fluxes in the CarboEastAsia eddy-covariance observation network: toward future modeling efforts

Author:
Hirano, Takashi,   et al.   ; Ichii, Kazuhito; Kondo, Masayuki; Lee, Young-Hee; Wang, Shao-Qiang; Kim, Joon; Ueyama, Masahito; Lim, Hee-Jeong; Shi, Hao; Suzuki, Takashi; Ito, Akihiko; Kwon, Hyojung; Ju, Weimin; Huang, Mei; Sasai, Takahiro; Asanuma, Jun; Han, Shijie; Hirata, Ryuichi; Kato, Tomomichi; Li, Sheng-Gong; Li, Ying-Nian; Maeda, Takahisa; Miyata, Akira; Matsuura, Yojiro; Murayama, Shohei; Nakai, Yuichiro; Ohta, Takeshi; Saitoh, Taku M.; Saigusa, Nobuko; Takagi, Kentaro; Tang, Yan-Hong; Wang, Hui-Min; Yu, Gui-Rui; Zhang, Yi-Ping; Zhao, Feng-Hua;     Show all 35 Authors
Source:
Journal of forest research 2013 v.18 no.1 pp. 13-20
ISSN:
1610-7403
Subject:
biogeochemical cycles; boreal forests; carbon; ecosystem respiration; eddy covariance; models; net ecosystem exchange; primary productivity; tropical forests
Abstract:
... Based on the model–data comparison at the eddy-covariance observation sites from CarboEastAsia datasets, we report the current status of the terrestrial carbon cycle modeling in monsoon Asia. In order to assess the modeling performance and discuss future requirements for both modeling and observation efforts in Asia, we ran eight terrestrial biosphere models at 24 sites from 1901 to 2010. By analy ...
DOI:
10.1007/s10310-012-0367-9

5. Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

Author:
Hirano, Takashi,   et al.   ; Niu, Shuli; Luo, Yiqi; Fei, Shenfeng; Yuan, Wenping; Schimel, David; Law, Beverly E.; Ammann, Christof; Altaf Arain, M.; Arneth, Almut; Aubinet, Marc; Barr, Alan; Beringer, Jason; Bernhofer, Christian; Andrew Black, T.; Buchmann, Nina; Cescatti, Alessandro; Chen, Jiquan; Davis, Kenneth J.; Dellwik, Ebba; Desai, Ankur R.; Etzold, Sophia; Francois, Louis; Gianelle, Damiano; Gielen, Bert; Goldstein, Allen; Groenendijk, Margriet; Gu, Lianhong; Hanan, Niall; Helfter, Carole; Hollinger, David Y.; Jones, Mike B.; Kiely, Gerard; Kolb, Thomas E.; Kutsch, Werner L.; Lafleur, Peter; Lawrence, David M.; Li, Linghao; Lindroth, Anders; Litvak, Marcy; Loustau, Denis; Lund, Magnus; Marek, Michal; Martin, Timothy A.; Matteucci, Giorgio; Migliavacca, Mirco; Montagnani, Leonardo; Moors, Eddy; William Munger, J.; Noormets, Asko; Oechel, Walter; Olejnik, Janusz; U, Kyaw Tha Paw; Pilegaard, Kim; Rambal, Serge; Raschi, Antonio; Scott, Russell L.; Seufert, Günther; Spano, Donatella; Stoy, Paul; Sutton, Mark A.; Varlagin, Andrej; Vesala, Timo; Weng, Ensheng; Wohlfahrt, Georg; Yang, Bai; Zhang, Zhongda; Zhou, Xuhui;     Show all 68 Authors
Source:
The new phytologist 2012 v.194 no.3 pp. 775-783
ISSN:
0028-646X
Subject:
temperature; eddy covariance; carbon dioxide; correlation; primary productivity; models; acclimation; global change; net ecosystem exchange; ecosystems; ecosystem respiration
Abstract:
... • It is well established that individual organisms can acclimate and adapt to temperature to optimize their functioning. However, thermal optimization of ecosystems, as an assemblage of organisms, has not been examined at broad spatial and temporal scales. • Here, we compiled data from 169 globally distributed sites of eddy covariance and quantified the temperature response functions of net ecosys ...
Handle:
10113/530546
DOI:
10.1111/j.1469-8137.2012.04095.x
PubMed:
22404566

6. Effect of drought stress on isoprene emission from two major Quercus species native to East Asia

Author:
Hirano, Takashi,   et al.   ; Tani, Akira; Tozaki, Daisuke; Okumura, Motonori; Nozoe, Susumu;     Show all 5 Authors
Source:
Atmospheric environment 2011 v.45 no.34 pp. 6261-6266
ISSN:
1352-2310
Subject:
Quercus mongolica; Quercus serrata; atmospheric chemistry; diurnal variation; drought; hysteresis; indigenous species; isoprene; light intensity; models; temperature; water stress; East Asia
Abstract:
... Effect of drought on isoprene emission from 2 major Quercus species native to East Asia is investigated. Three individuals of Quercus serrata and 2 individuals of Quercus crispula continued to emit isoprene under moderate and severe drought conditions, although the emission rates were lower than under normal conditions. Diurnal variation in the isoprene emission rates was monitored in real-time wh ...
DOI:
10.1016/j.atmosenv.2011.08.003

7. The land-atmosphere water flux in the tropics

Author:
HIRANO, TAKASHI,   et al.   ; FISHER, JOSHUA B.; MALHI, YADVINDER; BONAL, DAMIEN; DA ROCHA, HUMBERTO R.; DE ARAÚJO, ALESSANDRO C.; GAMO, MINORU; GOULDEN, MICHAEL L.; HUETE, ALFREDO R.; KONDO, HIROAKI; KUMAGAI, TOMO'OMI; LOESCHER, HENRY W.; MILLER, SCOTT; NOBRE, ANTONIO D.; NOUVELLON, YANN; OBERBAUER, STEVEN F.; PANUTHAI, SAMREONG; ROUPSARD, OLIVIER; SALESKA, SCOTT; TANAKA, KATSUNORI; TANAKA, NOBUAKI; TU, KEVIN P.; VON RANDOW, CELSO;     Show all 23 Authors
Source:
Global change biology 2009 v.15 no.11 pp. 2694-2714
ISSN:
1354-1013
Subject:
atmospheric circulation; canopy; climate change; eddy covariance; energy balance; evapotranspiration; hydrologic cycle; models; normalized difference vegetation index; prediction; tropics; vapor pressure; variance; vegetation; wind speed; Amazonia
Abstract:
... Tropical vegetation is a major source of global land surface evapotranspiration, and can thus play a major role in global hydrological cycles and global atmospheric circulation. Accurate prediction of tropical evapotranspiration is critical to our understanding of these processes under changing climate. We examined the controls on evapotranspiration in tropical vegetation at 21 pan-tropical eddy c ...
DOI:
10.1111/j.1365-2486.2008.01813.x