Plum Island Ecosystems site, station NADP Station MA13, East, MA, study of sulfur from sulfate in wet deposition in units of kilogramsPerHectare on a yearly timescale

The EcoTrends project was established in 2004 by Dr. Debra Peters
(Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and
Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)
to support the collection and analysis of long-term ecological datasets.
The project is a large synthesis effort focused on improving the accessibility
and use of long-term data. At present, there are ~50 state and federally funded
research sites that are participating and contributing to the EcoTrends project,
including all 26 Long-Term Ecological Research (LTER) sites and sites funded by
the USDA Agriculture Research Service (ARS), USDA Forest Service,
US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal
(http://www.ecotrends.info). This web portal enables the continuation of data
compilation and accessibility by users through an interactive web application.
Ongoing data compilation is updated through both manual and automatic
processing as part of the LTER Provenance Aware Synthesis Tracking
Architecture (PASTA). The web portal is a collaboration between the Jornada LTER
and the LTER Network Office. The following dataset from Plum Island Ecosystems (PIE)
contains sulfur from sulfate in wet deposition measurements in kilogramsPerHectare units
and were aggregated to a yearly timescale.

EcoTrends项目由黛布拉·彼得斯博士（美国农业部农业研究局（USDA-ARS）霍纳达实验牧场霍纳达盆地LTER站）与阿里尔·卢戈博士（美国农业部林务局（USDA-FS）卢奎洛实验林卢奎洛LTER站）于2004年创立，旨在为长期生态数据集的收集与分析提供支撑。该项目属于大型综合研究计划，核心聚焦于提升长期数据集的可获取性与使用效率。目前已有约50个州级与联邦资助的研究站点参与并向EcoTrends项目贡献数据，其中涵盖全部26个长期生态研究（Long-Term Ecological Research, LTER）站点，以及由美国农业部农业研究局（ARS）、美国农业部林务局（USDA Forest Service）、美国能源部、美国地质调查局（USGS）与众多高校资助的各类站点。EcoTrends项目的数据可通过探索性网络门户（http://www.ecotrends.info）获取，该门户依托交互式Web应用程序，为用户提供持续的数据汇编与获取服务。作为“LTER可溯源综合跟踪架构（Provenance Aware Synthesis Tracking Architecture, PASTA）”的组成部分，正在推进的数据汇编工作通过手动与自动两种处理模式完成更新。该网络门户由霍纳达LTER站与LTER网络办公室联合开发。本次发布的普拉姆岛生态系统（Plum Island Ecosystems, PIE）数据集，包含以千克/公顷（kilogramsPerHectare）为单位的湿沉降硫酸盐硫含量数据，且已按年时间尺度完成聚合。