CO2 Observations, Modeled Emissions, and NAM-HYSPLIT Footprints, Boston MA, 2013-2014

This dataset reports continuous atmospheric measurements of CO2 from two receptor sites and three boundary sites in and around Boston, Massachusetts, USA, that were combined with high-resolution CO2 emissions estimates and the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model to estimate regional CO2 emissions from September 2013 to December 2014. The HYSPLIT model followed an ensemble of 1,000 particles released at the urban CO2 measurement sites backward in time based on wind fields and turbulence from the North American Mesoscale Forecast System (NAM) at 12-km resolution to the boundary CO2 measurement sites to derive footprint values and CO2 enhancements expected from the prior emissions based on the Anthropogenic Carbon Emissions System (ACES) inventory and the urban-Vegetation Photosynthesis Respiration Model (urbanVPRM). This dataset contains three sets of data products: (1) observed hourly mean CO2 observations for two urban receptor sites in Boston, MA (Boston University (BU) and Copley Square (COP)), (2) observed hourly mean CO2 and calculated vertical profiles (50 - 5000 m) for three boundary sites around Boston including Harvard Forest at Petersham, MA (HF), Canaan, NH (CA), and Martha's Vineyard, MA (MVY), and modeled mean boundary CO2 concentrations for particles released from BU and COP, and (3) particle trajectory files including footprint values and CO2 enhancements above boundary CO2 concentrations from the HYSPLIT model.

本数据集记录了自2013年9月至2014年12月期间，美国马萨诸塞州波士顿市及其周边两个受体站点（波士顿大学（BU）和科普利广场（COP））以及三个边界站点（包括位于马萨诸塞州彼得什姆的哈佛森林（HF）、新罕布什尔的凯南（CA）和马萨诸塞州的马撒葡萄园（MVY））的连续大气二氧化碳（CO2）测量数据。这些数据与高分辨率CO2排放估计以及混合单粒子拉格朗日积分轨迹（HYSPLIT）模型相结合，用于估算该区域CO2排放量。HYSPLIT模型基于北美洲中尺度预报系统（NAM）的12公里分辨率的风场和湍流数据，对从城市CO2测量站点释放的1000个粒子进行时间回溯，直至边界CO2测量站点，以推导出足迹值和基于人为碳排放系统（ACES）清单和城市-植被光合作用呼吸模型（urbanVPRM）的先前排放所预期的CO2增强值。本数据集包含三组数据产品：（1）波士顿马萨诸塞州两个城市受体站点（波士顿大学和科普利广场）的观测小时平均CO2浓度；（2）波士顿周边三个边界站点（包括哈佛森林、凯南和马撒葡萄园）的观测小时平均CO2浓度及计算出的垂直剖面（50 - 5000米），以及从BU和COP释放的粒子模拟的边界CO2平均浓度；（3）包含HYSPLIT模型计算出的足迹值和高于边界CO2浓度的CO2增强值的粒子轨迹文件。