the Second Tibetan Plateau Scientific Expedition (STEP) program

Brief Introduction: Second Tibetan Plateau Scientific Expedition Program

Number of Datasets: 51

  • Flux observation data of alizangbu, the inflow river of Selincuo (2017)

    Flux observation data of alizangbu, the inflow river of Selincuo (2017)

    The data set is the flux data of the Alizangbu lake inlet obtained using the HS-2 portable hydrological velocity and flow meter, which can be applied to the hydrological processes and other fields in the cold areas. The data were obtained on August 16, 2017, and the data include measurement time, location, water depth, velocity and flow rate. The data are stored as an excel file.

    2019-11-18 331 0 View Details

  • Water quality multi-parameter dataset of Renqingxiubucuo Lake (2017)

    Water quality multi-parameter dataset of Renqingxiubucuo Lake (2017)

    This is the water quality multi-parameter data set of Renqingxiubucuo Lake. It can be used to acquire basic physical and chemical indices of lakes. And it can prepare for the following modern observation studies of lakes. The data is observed on September 1 2017. It was measured by the YSI EXO2 multi-parameter water quality instrument. Instrument calibration is made before each measurement based on the altitude of the lake and the local pressure. The measuring interval is 0.25 s. To ensure the data is continuously acquired, the instrument is slowly released. The original data includes data measured above the water surface, which is exposed to the air, and it has all been eliminated in the post processing. The data is stored as an excel file.

    2019-11-18 566 6 View Details

  • Water quality dataset of Pusaiercuo Lake (2017)

    Water quality dataset of Pusaiercuo Lake (2017)

    This is the water quality data of the vertical profile of the observation point in Pusaiercuo Lake. The data is observed on July 2, 2017. The data is stored as an excel file.

    2019-11-17 456 6 View Details

  • Precipitation observation data of Jaggang Snow Mountain (2016-2017)

    Precipitation observation data of Jaggang Snow Mountain (2016-2017)

    This is the precipitation observation data of the observation point in Jaggang Snow Mountain. It can be used in Glaciology, Climatology, Environmental Change, Hydrologic Process in Cold Regions and other disciplinary areas. The data is observed from September 14, 2016 to June 19, 2017. It is measured by automatic rain gauge and a piece of data is recorded every 60 minutes. The original data forms a continuous time series after quality control, and the daily mean index data is obtained through calculation. The original data meets the accuracy requirements of China Meteorological Administration (CMA) and the World Meteorological Organization (WMO) for meteorological observation. Quality control includes eliminating the systematic error caused by the missing point data and sensor failure. The data is stored as an excel file.

    2019-11-18 383 3 View Details

  • Hydrogen and Oxygen isotope data of water collected in river and lake source (2017)

    Hydrogen and Oxygen isotope data of water collected in river and lake source (2017)

    This data set is the the hydrogen and oxygen isotope ratio data of water samples collected in the Ngangla Ringco, Renqingxiubucuo, Mapam Yumco, and Laangcuo during the River and Lake Source Investigation in 2017. It is used to acquire basic physical and chemical indices of lakes. And it can prepare for the following modern observation studies of lakes environment research. The water sample collection time is from August 2017 to September 2017. The sampling sites are Ngangla Ringco, Renqingxiubucuo, Mapam Yumco, and Laangcuo. The data is measured by the Environmental Laboratory of the Institute of Tibetan Plateau Research. The instrument used is the wavelength scanning cavity ring-down spectrometer made by the American Company Picarro. Each sample is measured twice and two data is obtained when measured. The average of the two data for the same indicator for each sample is used when analyzing. Test accuracy: (standard deviation, SD): δO18 ≤ 0.15 ‰, δD ≤ 1.0 ‰.

    2019-11-18 440 3 View Details

  • Flow discharge observation data of Selincuo Lake's Inflow River Zhagenzangbu (2017)

    Flow discharge observation data of Selincuo Lake's Inflow River Zhagenzangbu (2017)

    This is the flow discharge observation data observed in the estuary of Zhagenzangbu, which is Selincuo Lake’s inflow river. It is measured by HS-2 portable hydrological flow rate meter. It can be used in Hydrologic Process in Cold Regions and other disciplinary areas. The data is observed on August 16, 2017. The data includes time, location, depth of water, water flow rate, and water flow discharge. The data is stored as an excel file.

    2019-11-18 447 0 View Details

  • Water quality slope data of Selincuo Lake (2017)

    Water quality slope data of Selincuo Lake (2017)

    This is the water quality vertical slope data of Selincuo Lake during the River and Lake Source Investigation from June to July in 2017. The main water quality parameter observation data includes dissolved oxygen, electrical conductivity, PH, water temperature and others.

    2019-11-18 345 6 View Details

  • Meteorological observation data of Selincuo Lake camp (2017)

    Meteorological observation data of Selincuo Lake camp (2017)

    This is the meteorological observation data of Selincuo Lake Camp. It includes the radiosonde data, turbulent flux, radiation observation data, general meteorologrical elements near the surface layer and others. The radiosonde data is observed separately at 14:00 and 18:00 July 2, at 8:00, 12:00, 16:00 and 20:00 July 3, at 8:00, 12:00, 16:00, 20:00, and 23:00 July 4, at 6:00 July 5, 2017. The observation time of turbulent flux and radiation observation data is from 17:30 June 29 to 10:00 July 6, 2017. The observation time of general meteorologrical elements near the surface layer is from 18:30 June 29 to 10:10 July 6, 2017. The wind lidar observation time is from 2:24 June 30 to 3:49 July 6, 2017. The data is stored as an excel file.

    2019-11-18 530 10 View Details

  • Water quality dataset of Zigetangcuo Lake (2017)

    Water quality dataset of Zigetangcuo Lake (2017)

    This is the water quality data of the vertical profile of the observation point in Zigetangcuo Lake. The data is observed on July 8, 2017. The data is stored as an excel file.

    2019-11-17 675 10 View Details

  • Water quality multi-parameter dataset of Ngangla Ringco Lake (2017)

    Water quality multi-parameter dataset of Ngangla Ringco Lake (2017)

    This is the water quality multi-parameter data set of Ngangla Ringco Lake during the River and Lake Source Investigation in 2017. It is used to acquire basic physical and chemical indices of lakes. And it can prepare for the following modern observation studies of lakes. The data observed dates from August 29, 2017 to August 30, 2017. It is measured by the YSI EXO2 multi-parameter water quality instrument. Instrument calibration is made before each measurement based on the altitude of the lake and the local pressure. The measuring interval is 0.25s. To ensure the data is frequently and continuously acquired, the instrument is slowly released. The original data includes data measured above the water surface, which is exposed to the air, and it has all been eliminated in the post processing. The data is stored as an excel file.

    2019-11-18 691 7 View Details

  • Meteorological observation data of the terminus of Naimona'nyi Glacier (2011-2017)

    Meteorological observation data of the terminus of Naimona'nyi Glacier (2011-2017)

    This data set includes the temperature, relative humidity, and other daily values at the end of the observation point of the terminus of Naimona’nyi Glacier The data is observed from July 3, 2011 to September 15, 2017. It is measured by automatic meteorological station (Onset Company) and a piece of data is recorded every 60minutes. The original data forms a continuous time series after quality control, and the daily mean index data is obtained through calculation. The original data meets the accuracy requirements of China Meteorological Administration (CMA) and the World Meteorological Organization (WMO) for meteorological observation. Quality control includes eliminating the systematic error caused by the missing point data and sensor failure. The data is stored as an excel file.

    2019-11-17 453 1 View Details

  • Selinna Lake core 14C dating data (2017)

    Selinna Lake core 14C dating data (2017)

    This is the core 14C dating data of Selincuo long drill in 2017. It obtains the age information of lake sediments, and makes a time scale for the next step of environmental indicator analysis. The data is measured by the US BETA laboratory.

    2019-11-18 297 1 View Details

  • Water depth measurement dataset over the Kering Tso Lake (2017)

    Water depth measurement dataset over the Kering Tso Lake (2017)

    This data set includes the water depth measurement data during the Jianghuyuan expedition from June to July 2017 over the Kering Tso Lake. The measurement time is on July 2, 2017. The data was measured by Lowrance HDS-5 sonar sounder. The original data was generated by surfer 13 software and Kriging difference method. The original data contained more invalid depth data, which had been screened out in the later stage of collation. The survey line is reasonable to ensure that the data cover all depth gradients.

    2019-11-18 332 3 View Details

  • Water quality data of the Darucuo Lake (2017)

    Water quality data of the Darucuo Lake (2017)

    This is the water quality data of the vertical profile of the observation point in Darucuo Lake. There are four observation points. The data is observed on June 27, June 28 and July 9, 2017. The data is stored as an excel file.

    2019-11-17 449 7 View Details

  • Precipitation observation data of the east bank of Selincuo Lake (2016-2017)

    Precipitation observation data of the east bank of Selincuo Lake (2016-2017)

    This is the precipitation observation data set of the east bank of Selincuo Lake. It can be used in Glaciology, Climatology, Environmental Change, Hydrologic Process in Cold Regions and other disciplinary areas. The data is observed from September 1, 2016 to August 17, 2017. It is measured by automatic rain gauge and a piece of data is recorded every 60 minutes. The original data forms a continuous time series after quality control, and the daily mean index data is obtained through calculation. The original data meets the accuracy requirements of China Meteorological Administration (CMA) and the World Meteorological Organization (WMO) for meteorological observation. Quality control includes eliminating the systematic error caused by the missing point data and sensor failure. The data is stored as an excel file.

    2019-11-18 439 11 View Details

  • Bathymetric data of Renqingxiubucuo Lake (2017)

    Bathymetric data of Renqingxiubucuo Lake (2017)

    This data set is the measurement of the depth of Renqingxiubucuo Lake during the River and Lake Source Investigation in 2017. It can be used to map lake isobath, to estimate the water quantities in lakes and to study water balance of the basin. The data is observed on September 1, 2017. It was measured by the Lowrance HDS-5 sonar depth finder. The original measured data contains a lot of invalid depth data, which has all been eliminated in the post-selecting process. The selected measuring line is reasonable, and the data covers various depth gradients. The data is stored as an excel file.

    2019-11-18 466 4 View Details

  • Soil temperature and moisture observation data of the Selincuo Lake Basin (2017)

    Soil temperature and moisture observation data of the Selincuo Lake Basin (2017)

    This is the soil temperature and moisture observation data set in the runoff fields of the east bank of Selincuo Lake. It can be used in Climatology, Environmental Change, Hydrologic Process in Cold Regions and other disciplinary areas. The data is observed from August 19, 2017 to September 8, 2017. It is measured by soil temperature and moisture probe (5TE)and a piece of data is recorded every 60 minutes. The original data is precise, with the soil moisture accurate to 0.01% and the soil temperature 0.01℃. The original data forms a continuous time series after quality control, and the daily mean index data is obtained through calculation. The data is stored as an excel file.

    2019-11-18 397 2 View Details

  • Flow discharge observation data over Zhajiazangbu Inflow river of Selincuo Lake (2017)

    Flow discharge observation data over Zhajiazangbu Inflow river of Selincuo Lake (2017)

    This is the flow discharge observation data observed in the estuary of Zhagenzangbu. It is measured by HS-2 portable hydrological flow rate meter. It can be used in Hydrologic Process in Cold Regions and other disciplinary areas. The data is acquired on August 15, 2017. The data includes time, location, depth of water, water flow rate, and water flow discharge. The data is stored as an excel file.

    2019-11-18 373 0 View Details

  • Water quality multi-parameter dataset of Mapam Yumco Lake (2017)

    Water quality multi-parameter dataset of Mapam Yumco Lake (2017)

    This is the water quality multi-parameter data set of Mapam Yumco Lake during the River and Lake Source Investigation in 2017. It is used to acquire basic physical and chemical indices of lakes. And it can prepare for the following modern observation studies of lakes. The data observed time is from September 4, 2017 to September 7, 2017. It is measured by the YSI EXO2 multi-parameter water quality instrument. Instrument calibration is made before each measurement based on the altitude of the lake and the local pressure. The measuring interval is 0.25s. To ensure the data is frequently and continuously acquired, the instrument is slowly released. The original data includes data measured above the water surface, which is exposed to the air, and it has all been eliminated in the post processing. The data is stored as an excel file.

    2019-11-18 512 6 View Details

  • Water quality dataset of Qixiangcuo Lake (2017)

    Water quality dataset of Qixiangcuo Lake (2017)

    This is the water quality data of the vertical profile of the observation point in Qixiangcuo Lake. There are two observation points. It is observed on July 4, 2017. The data is stored as an excel file.

    2019-11-17 473 5 View Details