Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Daxing site-large aperture scintillometer) (2008-2010)

The dataset contains large aperture scintillator flux observation data from January 1, 2008, solstice, December 31, 2010.The station is located in weishanzhuang, daxing district, Beijing.The latitude and longitude of the observation point are 116.4271E, 39.6213N and 20m above sea level. The acquisition frequency of the large aperture scintillation instrument is 1Hz, the effective height is 29.6m, the optical diameter length is 2480m, the longitude and latitude of the transmitting end is 116.4271E, 39.6213N, and the longitude and latitude of the receiving end is 116.4369E, 39.6422N.The data released by the large aperture scintillator is the average data of 30min after processing and quality control, in which the sensible heat flux is mainly obtained by combining with the data of automatic meteorological station and by iterative calculation based on the moning-obhoff similarity theory.(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). Data released by the large aperture scintillator include: Date/Time Date/Time, air refractive index structure parameter Cn2 (m-2/3), sensible heat flux H_LAS (W/m2) Please refer to Jia et al,(2012) for information of observation test or site, and Liu et al,(2013) for data processing.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Haihe River Basin (Guantao site-large aperture scintillometer) (2008-2010)

The data set contains large aperture scintillator flux observation data from January 1, 2008, solstice, December 31, 2010.The site is located in hezhai village, guantao county, hebei province.The latitude and longitude of the observation point is 115.1274E, 36.5150N, and the altitude is 30m. The acquisition frequency of the large aperture scintillation instrument is 1Hz, the effective height is 15.6m, the optical diameter length is 2760m, the longitude and latitude of the transmitting end is 115.1284E, 36.5274N, and the longitude and latitude of the receiving end is 115.1249E, 36.5028n.The data released by the large aperture scintillator is the average data of 30min after processing and quality control, in which the sensible heat flux is mainly obtained by combining with the data of automatic meteorological station and by iterative calculation based on the moning-obhoff similarity theory.(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* < 0.05m/s). Data released by the large aperture scintillator include: Date/Time Date/Time, air refractive index structure parameter Cn2 (m-2/3), sensible heat flux H_LAS (W/m2). Please refer to Jia et al,(2012) for information of observation test or site, and Liu et al,(2013) for data processing.

0 2020-03-09

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.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2014)

This data set contains the observation data of large aperture scintillator on January 1, 2014, solstice, December 31, 2014. 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.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2015)

This data set contains the observation data of large aperture scintillator on January 1, 2015, solstice, December 31, 2015. Two large aperture scintillator models BLS450 and zzlas were installed respectively.The site is located in huailai county, hebei province, east garden town, the underlying surface for 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. The original data of the large aperture scintillator is 1min, and the released data is the average data of 30min after processing and quality control. Among them, the sensible heat flux is mainly obtained by combining with the data of the automatic meteorological station and by iterative calculation based on the moning-obkhoff similarity theory.In the iterative calculation process, for BLS450, the stability function of Thiermann and Grassl, 1992 was selected.For zzlas, I'm going to pick Andreas 1988's stability 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 information of observation test or site, and Liu et al. (2013) for data processing.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Hai River Basin (Huailai station-large aperture scintillometer, 2016)

This data set contains the observation data of large aperture scintillator on January 1, 2016, solstice, December 31, 2016. 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. The original data of the large aperture scintillator is 1min, and the released data is the average data of 30min after processing and quality control. Among them, the sensible heat flux is mainly obtained by combining with the data of the automatic meteorological station and by iterative calculation based on the moning-obkhoff similarity theory.In the iterative calculation process, for BLS450, the stability function of Thiermann and Grassl, 1992 was selected.For zzlas, I'm going to pick Andreas 1988's stability 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 information of observation test or site, and Liu et al. (2013) for data processing.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Haihe River Basin (Huailai station-large aperture scintillometer, 2017)

This data set contains the observation data of large aperture scintillator on January 7, 2017 at solstice on December 31, 2017. Two large aperture scintillator models BLS450 and zzlas were installed respectively.The site is located in huailai county, hebei province, east garden town, the underlying surface for 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. The original data of the large aperture scintillator is 1min, and the released data is the average data of 30min after processing and quality control. Among them, the sensible heat flux is mainly obtained by combining with the data of the automatic meteorological station and by iterative calculation based on the moning-obkhoff similarity theory.In the iterative calculation process, for BLS450, the stability function of Thiermann and Grassl, 1992 was selected.For zzlas, I'm going to pick Andreas 1988's stability 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 information of observation test or site.

0 2020-03-09

Multi-scale surface flux and meteorological elements observation dataset in the Haihe River Basin (Miyun site-large aperture scitillometer) (2008-2010)

The data set contains large aperture scintillator observations from January 1, 2008, at solstice, December 29, 2010.The site is located in xinchengzi town, miyun county, Beijing, with orchards (plums and apple trees), corn/bare land, and towns.The latitude and longitude of the observation point is 117.3233E, 40.6308N, and the altitude is 350m. The acquisition frequency of the large aperture scintiometer is 1Hz, the effective height is 35.86m, the optical diameter length is 2420m, the longitude and latitude of the transmitting end is 117.3319E, 40.6446N, and the longitude and latitude of the receiving end is 117.3174E, 40.6254N.The data released by the large aperture scintillator is the average data of 30min after processing and quality control, in which the sensible heat flux is mainly obtained by combining with the data of automatic meteorological station and by iterative calculation based on the moning-obhoff similarity theory.(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). Data released by the large aperture scintillator include: Date/Time Date/Time, air refractive index structure parameter Cn2 (m-2/3), sensible heat flux H_LAS (W/m2). Please refer to Jia et al,(2012) for information of observation test or site, and Liu et al,(2013) for data processing.

0 2020-03-09

HiWATER: Dataset of hydrometeorological observation network (large aperture scintillometer of Daman superstation, 2017)

The data set contains the flux observation data of large aperture scintillator from daman station in the middle reaches of heihe hydrometeorological observation network.Large aperture scintillators of BLS450 and BLS900 models were installed at daman station in the middle reaches of China. The north tower was the receiving end of BLS900 and the transmitting end of BLS450, and the south tower was the transmitting end and the receiving end of BLS900.The observation period is from January 1, 2017 to December 31, 2017.The station is located in dazman irrigation district, zhangye city, gansu province.The latitude and longitude of the north tower is 100.3785 E, 38.8607 N, and the latitude and longitude of the south tower is 100.3685 E, 38.8468 N, with an altitude of about 1556m.The effective height of the large aperture scintillator is 22.45m, the optical diameter length is 1854m, and the sampling frequency is 1min. Large aperture flicker meter raw observation data for 1 min, data released for after processing and quality control of data, including sensible heat flux is mainly combined with the automatic meteorological station observation data, based on similarity theory alonzo mourning - Mr. Hoff is obtained by iterative calculation, the quality control of the main steps include: (1) excluding Cn2 reach saturation data (Cn2 e-13 > 1.43);(2) data with weak demodulation signal strength (Average X Intensity<1000) were eliminated;(3) data at the time of precipitation were excluded;(4) data of weak turbulence under stable conditions were excluded (u* < 0.1m/s).In the iterative calculation process, the stability universal function of Thiermann and Grassl(1992) was selected. Please refer to Liu et al(2011, 2013) for detailed introduction.Due to instrument failure, data of large aperture scintillator was missing from June 6 to July 2, 2017. Some notes on the released data :(1) the middle LAS data is mainly BLS900, the missing time is supplemented by BLS450 observation, and the missing time of both is marked with -6999.(2) data table head: Date/Time: Date/Time (format: yyyy/m/d h:mm), Cn2: structural parameters of air refraction index (unit: m-2/3), H_LAS: sensible heat flux (unit: 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 Li et al. (2013) for hydrometeorological network or site information, and Liu et al. (2011) for observation data processing.

0 2020-03-05

HiWATER: Dataset of hydrometeorological observation network (large aperture scintillometer of Daman Superstation, 2015)

The data set contains the flux observation data of large aperture scintillator from daman station in the middle reaches of heihe hydrometeorological observation network.Large aperture scintillators of BLS450 and BLS900 models were installed at daman station in the middle reaches of China. The north tower was the receiving end of BLS900 and the transmitting end of BLS450, and the south tower was the transmitting end and the receiving end of BLS900.The initial observation time of BLS450 is from January 1, 2015 to April 14, 2015, and the observation time of another BLS450 is from June 12, 2015 to December 31, 2015.BLS900 was observed from May 1, 2015 to December 31, 2015.The station is located in dazman irrigation district, zhangye city, gansu province.The latitude and longitude of the north tower is 100.379 E, 38.861 N, and the latitude and longitude of the south tower is 100.369 E, 38.847 N, with an altitude of about 1556m.The effective height of the large aperture scintillator is 22.45m, the optical diameter length is 1854m, and the sampling frequency is 1min. Large aperture flicker meter raw observation data for 1 min, data released for after processing and quality control of data, including sensible heat flux is mainly combined with the automatic meteorological station observation data, based on similarity theory alonzo mourning - Mr. Hoff is obtained by iterative calculation, the quality control of the main steps include: (1) excluding Cn2 reach saturation data (Cn2 e-13 > 1.43);(2) data with weak demodulation signal strength (BLS450: Mininum X Intensity< 50 (2015.1.1-2015.4.14) and Average X Intensity<1000 (2015.6.12-2015.12.31) were excluded.BLS900: Average X Intensity<1000);(3) data at the time of precipitation were excluded;(4) data of weak turbulence under stable conditions were excluded (u* < 0.1m/s).In the iterative calculation process, the stability universal function of Thiermann and Grassl(1992) was selected. Please refer to Liu et al(2011, 2013) for detailed introduction. Some notes on the released data :(1) the middle LAS data is mainly BLS900, the missing time is supplemented by BLS450 observation, and the missing time of both is marked with -6999.4.14-5.1 due to instrument deployment, data is missing.(2) data table head: Date/Time: Date/Time (format: yyyy/m/d h:mm), Cn2: structural parameters of air refraction index (unit: m-2/3), H_LAS: sensible heat flux (unit: 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 Li et al. (2013) for hydrometeorological network or site information, and Liu et al. (2011) for observation data processing.

0 2020-03-05