Luquillo Experimental Forest: Catchment science in the montane tropics

Luquillo Experimental Forest: Catchment science in the montane tropics
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卢科洛实验森林:热带山地流域科学

DOI:
10.1002/hyp.14146
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发表时间:
2021
影响因子:
3.2
通讯作者:
Wymore, Adam S.
Wymore, Adam S.
中科院分区:
地球科学3区
文献类型:
--
作者:
McDowell, William H.;Leon, Miguel C.;Shattuck, Michelle D.;Potter, Jody D.;Heartsill‐Scalley, Tamara;González, Grizelle;Shanley, James B.;Wymore, Adam S.

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波多黎各卢基洛实验森林(LEF)的集水区温暖、潮湿、热带,海拔陡峭,形成了温度和降雨量的梯度。该地点研究的长期目标是了解气候变化和干扰状况如何改变热带山地的水文和生物地球化学过程,并提供对管理和养护全球热带森林生态系统至关重要的信息。水文和气象测量跨越数十年,目前包括温度、湿度、降雨量、云层基准面、穿透雨量、地下水位高度和河流流量。每周测量降雨、穿透雨和溪流的化学成分,每月至每季度对蒸渗仪和水井进行采样。多个数据集记录了包括雨果(1989)、乔治(1998)和玛丽亚(2017)在内的主要飓风对植被、生物群和集水区生物地球化学的影响,并提供了热带森林生物地球化学通量的一些最长可用记录。在这里,我们概述了LEF产生的调查结果和数据集,强调了它们对于在干扰和全球环境变化的背景下理解山地热带流域的重要性。
Catchments in the Luquillo Experimental Forest (LEF) of Puerto Rico are warm, wet and tropical with steep elevational relief creating gradients in temperature and rainfall. Long‐term objectives of research at the site are to understand how changing climate and disturbance regimes alter hydrological and biogeochemical processes in the montane tropics and to provide information critical for managing and conserving tropical forest ecosystems globally. Measurements of hydrology and meteorology span decades, and currently include temperature, humidity, precipitation, cloud base level, throughfall, groundwater table elevation and stream discharge. The chemistry of rain, throughfall, and streams is measured weekly and lysimeters and wells are sampled monthly to quarterly. Multiple data sets document the effects of major hurricanes including Hugo (1989), Georges (1998) and Maria (2017) on vegetation, biota and catchment biogeochemistry and provide some of the longest available records of biogeochemical fluxes in tropical forests. Here we present an overview of the findings and the data sets that have been generated from the LEF, highlighting their importance for understanding montane tropical watersheds in the context of disturbance and global environmental change.
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