NASA CARAFE 2016年和2017年空中碳空气通量实验数据集详解
CARAFE: Regional Airborne Greenhouse Gases Eddy Covariance Measurements, 2016-2017
简介
该数据集提供了美国宇航局 (NASA) 2016 年和 2017 年空中碳空气通量实验 (CARAFE) 期间收集的高空间分辨率空中二氧化碳、甲烷、显热和潜热涡旋协方差 (EC) 通量数据。CARAFE 使用了 NASA C-23 Sherpa 运输机,该运输机配备了一套商用和定制仪器。2016 年 9 月 7 日至 2016 年 9 月 26 日以及 2017 年 5 月 3 日至 2017 年 5 月 26 日期间,该数据部署于整个中大西洋地区。数据还包括下行辐射、水蒸气、气压、温度、风和飞机导航数据。空中 EC 可以量化局部到区域尺度的地表通量,可能有助于弥合自上而下和自下而上的通量估算之间的差距,并为生物物理和生物地球化学过程提供新的见解。
本数据集共包含 139 个数据文件,其中 ICARTT(*.ict)格式 120 个,*.rtso 格式 19 个;另附 5 个配套文件,其中 4 个为可移植文档格式(*.pdf)格式,1 个为交互式数据语言(IDL)命名程序文件(*.pro)格式。
摘要
File Names | Number of Files | Description |
---|---|---|
Data Files | ||
CARAFE-DLH_SHERPA_<date>_<revision>_<launch>_<comments>.ict | 40 | Water vapor mixing ratio and relative humidity data collected with a Diode Laser Hygrometer (DLH). There are two files for each date, one sampled at 1 Hz and another sampled at 20 Hz (includes "20Hz" in the filename). |
CARAFE-FLUX_SHERPA_<date>_<revision>_<launch>.ict | 20 | CO2 flux, CH4 flux, and flux error data. |
CARAFE-GHG-1Hz_SHERPA_<date>_<revision>_<launch>.ict | 20 | Greenhouse gas suite including CO2, CH4, H2O dry mole fractions sampled at 1 Hz. |
CARAFE-GHG-10Hz_SHERPA_<date>_<revision>_<launch>.ict | 20 | Greenhouse gas suite including CO2, CH4, H2O dry mole fractions sampled at 10 Hz. |
CARAFE-MET_SONDES_<date>_R0.rtso | 19 | Raw radiosonde data. There is one file for each of the dates for 2016 (9 files) and 2017 (10 files). The companion file IDL_reader_for_sondes_rtso_files.pro is provided for data access using IDL software. These files can also be opened in generic text software. |
CARAFE-WINDS_SHERPA_<date>_<revision>_<launch>.ict | 20 | Fast, in-situ 3-D wind data. Note that the WINDS data files also contain important navigational and environmental variables, including aircraft position (latitude, longitude, and altitude), aircraft attitude (pitch, roll, and heading), speed, static pressure, and temperature. |
Companion Files | ||
CARAFE_2016_2017_v1.1_variables.pdf | 1 | Variable names and descriptions for all data files. |
CARAFE_Flight_Reports_2016.pdf | 1 | Flight details for the 2016 campaign. |
CARAFE_Flight_Reports_2017.pdf | 1 | Flight details for the 2017 campaign. |
IDL_reader_for_sondes_rtso_files.pro | 1 |
An Interactive Data Language (IDL) file for visualization of the sondes data. |
代码
引用
Wolfe, G.M., S.R. Kawa, T.F. Hanisco, R.A. Hannun, P.A. Newman, A.K. Swanson, S.A. Bailey, J.D. Barrick, K.L. Thornhill, G.S. Diskin, J.P. DiGangi, J.B. Nowak, C.E. Sorensen, G.L. Bland, J.K. Yungel, and C.A. Swenson. 2021. CARAFE: Regional Airborne Greenhouse Gases Eddy Covariance Measurements, 2016-2017. ORNL DAAC, Oak Ridge, Tennessee, USA.
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