气候变化领域集成服务门户(CCPortal): Reconciling Canopy Interception Parameterization and Rainfall Forcing Frequency in the Community Land Model for Simulating Evapotranspiration of Rainforests and Oil Palm Plantations in Indonesia

CCPortal

DOI	10.1029/2018MS001490
	Reconciling Canopy Interception Parameterization and Rainfall Forcing Frequency in the Community Land Model for Simulating Evapotranspiration of Rainforests and Oil Palm Plantations in Indonesia
	Fan Y.; Meijide A.; Lawrence D.M.; Roupsard O.; Carlson K.M.; Chen H.-Y.; Röll A.; Niu F.; Knohl A.
发表日期	2019
ISSN	19422466
起始页码	732
结束页码	751
卷号	11 期号:3
英文摘要	By mediating evapotranspiration processes, plant canopies play an important role in the terrestrial water cycle and regional climate. Substantial uncertainties exist in modeling canopy water interception and related hydrological processes due to rainfall forcing frequency selection and varying canopy traits. Here we design a new time interpolation method “zero” to better represent convective-type precipitation in tropical regions. We also implement and recalibrate plant functional type-specific interception parameters for rainforests and oil palm plantations, where oil palms express higher water interception capacity than forests, using the Community Land Model (CLM) versions 4.5 and 5.0 with CLM-Palm embedded. Reconciling the interception scheme with realistic precipitation forcing produces more accurate canopy evaporation and transpiration for both plant functional types, which in turn improves simulated evapotranspiration and energy partitioning when benchmarked against observations from our study sites in Indonesia and an extensive literature review. Regional simulations for Sumatra and Kalimantan show that industrial oil palm plantations have 18–27% higher transpiration and 15–20% higher evapotranspiration than forests on an annual regional average basis across different ages or successional stages, even though the forests experience higher average precipitation according to reanalysis data. Our land-only modeling results indicate that current oil palm plantations in Sumatra and Kalimantan use 15–20% more water (mean 220 mm or 20 Gt) per year compared to lowland rainforests of the same extent. The extra water use by oil palm reduces soil moisture and runoff that could affect ecosystem services such as productivity of staple crops and availability of drinking water in rural areas. ©2019. The Authors.
英文关键词	canopy interception; Community Land Model; evapotranspiration; forcing frequency; land use change; oil palm
语种	英语
scopus关键词	Ecosystems; Evapotranspiration; Forestry; Land use; Potable water; Rain; Soil moisture; Transpiration; Uncertainty analysis; Water supply; Canopy interception; Community land models; Forcing frequencies; Land-use change; Oil palm; Palm oil; drinking water; ecosystem service; evapotranspiration; interception; land use change; literature review; parameterization; plantation forestry; rainfall-runoff modeling; rainforest; simulation; soil moisture; Indonesia; Elaeis
来源期刊	Journal of Advances in Modeling Earth Systems
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156942
作者单位	Bioclimatology, University of Göttingen, Göttingen, Germany; NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, Bergen, Norway; Department of Crop Sciences, Division Agronomy, University of Göttingen, Göttingen, Germany; National Center for Atmospheric Research, Boulder, CO, United States; CIRAD, UMR Eco&Sols: LMI IESOL, Dakar, Senegal; Eco&Sols, Université de Montpellier, CIRAD, INRA, IRD, Montpellier SupAgro, Montpellier, France; Department of Natural Resources and Environmental Management, University of Hawaii at Mānoa, Honolulu, HI, United States; Tropical Silviculture and Forest Ecology, University of Göttingen, Göttingen, Germany; School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, United States; Centre of Biodiversity and Sustainable Land Use (CBL), University of Göttingen, Göttingen, Germany
推荐引用方式 GB/T 7714	Fan Y.,Meijide A.,Lawrence D.M.,et al. Reconciling Canopy Interception Parameterization and Rainfall Forcing Frequency in the Community Land Model for Simulating Evapotranspiration of Rainforests and Oil Palm Plantations in Indonesia[J],2019,11(3).
APA	Fan Y..,Meijide A..,Lawrence D.M..,Roupsard O..,Carlson K.M..,...&Knohl A..(2019).Reconciling Canopy Interception Parameterization and Rainfall Forcing Frequency in the Community Land Model for Simulating Evapotranspiration of Rainforests and Oil Palm Plantations in Indonesia.Journal of Advances in Modeling Earth Systems,11(3).
MLA	Fan Y.,et al."Reconciling Canopy Interception Parameterization and Rainfall Forcing Frequency in the Community Land Model for Simulating Evapotranspiration of Rainforests and Oil Palm Plantations in Indonesia".Journal of Advances in Modeling Earth Systems 11.3(2019).