TY  - Data
T1  - Heihe River comprehensive remote sensing joint experiment: surface albedo observation data set in Linze grassland intensive observation area (may July 2008)
A1  - HuXiaoli
A1  - Gai Chunmei
A1  - HuangChunling
A1  - Liang Ji
A1  - Wang Xufeng
DO  - 10.12072/ncdc.NIEER.db1880.2022
PY  - 2022
DA  - 2022-03-15
PB  - National Cryosphere Desert Data Center
AB  - From May 25 to July 11, 2008, two upward and downward short wave radiation meters (above table No.: 071392) were used at the temporary sample points of sample a (reed land), sample B (saline alkali land), sample C (saline alkali land), sample D (alfalfa land), sample e (barley land) and cement land in the intensive observation area of Linze grassland The following table (No.: 071389) continuously measured the upward and downward irradiance of different underlying surfaces to calculate the surface albedo. The data set provides validation data for albedo inversion of airborne spaceborne remote sensing data. On or before June 6, 2008, it was observed manually, and the probe erection height ranged from 1.3m to 1.46M; After that, it is automatic observation, and the probe erection height is 1.20m or 1.30M. The time, place and surface type of each observation are as follows: Sample e (barley field) on May 25, 2008 Sample D (alfalfa field) on May 26, 2008 Sample D (alfalfa field) on May 27, 2008 Sample e (cumin bare land) on May 28, 2008 Sample e (cumin bare land) on May 30, 2008 Sample a (reed land) on June 1, 2008 Sample B (saline alkali land) on June 2, 2008 Sample a (reed land) on June 3, 2008 Temporary sample points of cement land in the hospital on June 4, 2008 Cumin bare land near sample E on June 6, 2008 Sample a (reed land) on June 20, 2008 Sample a (reed land) on June 22, 2008 Sample D (alfalfa field) on June 23, 2008 Sample e (barley field) on June 24, 2008 Sample e (barley field) on July 11, 2008 The self recording observation data file contains the following information: Timestamp: observation time SOLAR_ UP_ AVG: downlink short wave radiation (measured by upward radiometer) SOLAR_ DOWN_ AVG: uplink short wave radiation (measured by downward radiometer) SOLAR_ NET_ AVG: net radiation = solar_ UP_ AVG - SOLAR_ DOWN_ AVG albedo_ AVG: albedo = solar_ DOWN_ AVG / SOLAR_ UP_ AVG batt_ volt_ Min: battery voltage PTemp: CR1000 panel temperature. This data set include
DB  - NCDC
UR  - http://www.ncdc.ac.cn/portal/metadata/12c34147-e822-4d44-824d-e89be9f0e86d
ER  -