Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2013)


This dataset contains the observation data of large aperture scintillator on January 1, 2013 (solstice) and December 31, 2013. Two large aperture scintillator models BLS450 and zzlas were installed respectively.The site is located in huailai county, hebei province, east garden town, under the surface of corn.The latitude and longitude of the observation point is 115.7880E, 40.3491N, and the altitude is 480m.The effective height of the large aperture scintillation instrument is 14m, the optical diameter length is 1870m, the longitude and latitude of the transmitting end is 115.8023e, 40.3596n, and the longitude and latitude of the receiving end is 115.7825e, 40.3522n.The acquisition frequencies of BLS450 and zzlas were 5Hz and 1Hz respectively, with an average output of 1min.

Large aperture flicker meter raw data for 1 min, data released for 30 min after processing and quality control of the average data, including sensible heat flux is mainly combined with the automatic meteorological station data, based on similarity theory alonzo mourning - Mr. Hoff is obtained by iterative calculation, in the process of iterative calculation, for BLS450, select Thiermann and Grassl, the stability of the 1992 universal functions;For zzlas, select Andreas 1988's stability universal function.The main quality control steps include :(1) eliminating the data of Cn2 reaching saturation;(2) eliminate data with weak demodulation signal strength;(3) data of the time of precipitation and the hour before and after the precipitation are excluded;(4) data of weak turbulence under stable conditions were excluded (u* < 0.1m/s).

Several notes on the released data :(1) LAS data is mainly BLS450, the missing time is supplemented by zzlas observation, and the missing time of both is marked by -6999.(2) data table: Date/Time: Date/Time, Cn2: air refractive index structure parameter (m-2/3), H_LAS: sensible heat flux (W/m2).The meaning of data time, such as 0:30 represents the average between 0:00 and 0:30;The data is stored in *.xls format

Please refer to Yang guangchao et al. (2015) for observation test or site introduction, and refer to Liu et al. (2013) for data processing.


Data file naming and use method

File naming method: **** station-####, yyyy, where **** * represents the site name, #### # represents the site type, and yyyy represents the data observation year
Data usage: this data is tabular data, which can be opened and viewed by WPS, Ecxel and other software


Required Data Citation View Data Cite Help About Data Citation
Cite as:

LIU Shaomin, XU Ziwei. Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2013). National Tibetan Plateau Data Center, 2016. doi: 10.3972/haihe.010.2015.db. (Download the reference: RIS | Bibtex )

Related Literatures:

1. Liu, S.M., Xu, Z.W., Zhu, Z.L., Jia, Z.Z., & Zhu, M.J. (2013). Measurements of evapotranspiration from eddy-covariance systems and large aperture scintillometers in the Hai River Basin, China. Journal of Hydrology, 487, 24-38.( View Details | Download | Bibtex)

Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.


References literature

1.Liu, S.M., Lu, L., Mao, D., & Jia, L. (2007). Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements. Hydrology and Earth System Sciences, 11(2), 769-283. (View Details | Download )

2.Jia, Z.Z., Liu, S.M., Xu, Z.W,, Chen, Y.J., & Zhu, M.J. (2012). Validation of remotely sensed evapotranspiration over the Hai River Basin, China. Journal of Geophysical Research, 117(D13). (View Details | Download )

3.Liu, S.M., Xu, Z.W., Wang, W.Z., Bai, J., Jia, Z., Zhu, M., & Wang, J.M. (2011). A comparison of eddy-covariance and large aperture scintillometer measurements with respect to the energy balance closure problem. Hydrology and Earth System Sciences, 15(4), 1291-1306. doi:10.5194/hess-15-1291-2011. (View Details | Download )

4.Lu, L., Liu, S.M., Xu, Z.W., Yang, K., Cai, X.H., Jia, L., & Wang, J.M. (2009). The characteristics and parameterization of aerodynamic roughness length over heterogeneous surfaces. Advances in atmospheric sciences, 26(1), 180-190. (View Details | Download )


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Keywords
Geographic coverage
East: 115.78 West: 115.78
South: 40.35 North: 40.35
Detail
  • Temporal resolution: Hourly
  • File size: 2 MB
  • Browse count: 5,839 Times
  • Apply count: 21 Times
  • Share mode: offline
  • Temporal coverage: 2013-01-01 To 2013-12-31
  • Updated time:
Contact Information
: LIU Shaomin   XU Ziwei  

Distributor: National Tibetan Plateau Data Center

Email: data@itpcas.ac.cn

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