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    176 Kharaa Yeröö River Basin Water Quality Database

    Title
    Kharaa Yeröö River Basin Water Quality Database
    Period
    2006-08-26 till 2017-05-13
    Period length
    10 years 8 months 18 days
    Sampling interval
    Irregular Interval
    Description

    The Kharaa Yeröö River Basin in Northern Mongolia forms a part of the large Selenga River system which is the main tributary to Lake Baikal in Southern Siberia. The basin of the Kharaa and Yeröö River is characterized by strong environmental gradients. While the headwater areas are characterized by mountain forests that are partially pristine and partially disturbed by logging and forest fires, the mid- and downstream sections especially of the Kharaa are characterized by vast grasslands that have been locally transformed by agriculture, livestock herding, mining and human settlements. These land cover gradients are well reflected by the hydrogeochemical and ecological state of the Kharaa and Yeröö River and its tributaries, which show the greatest disturbances downstream of urban areas and mining sites with a huge range from large gold mining sites until small scale artisanal gold mining.

    Keywords
    water quality, kharaa, yeröö, northern mongolia
    Study site
    Kharaa-Yeröö River Basin
    Sampling types
    surface water, groundwater, drinking water, wastewater
    Parameters

    physics:

    water temperature
    name
    water temperature
    description

    determination by temperature-probe

    synonyms
    water temp, Wassertemperatur

    chemistry:

    Ag, silver
    name
    Ag, silver
    synonyms
    Silber
    Al, aluminium
    name
    Al, aluminium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    As, arsenic
    name
    As, arsenic
    Ba, barium
    name
    Ba, barium
    B, boron
    name
    B, boron
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Bor
    Bi, bismuth
    name
    Bi, bismuth
    Br, bromide
    name
    Br, bromide
    Ca, calcium
    name
    Ca, calcium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    since 2009 with ICP-OES
    before 2009 with AAS

    synonyms
    Kalzium
    Cd, cadmium
    name
    Cd, cadmium
    C, DOC (dissolved organic carbon)
    name
    C, DOC (dissolved organic carbon)
    description

    0,45µm filtrated,   purging with hydrochloric acid, nondispersive infrared sensor  (NDIR) after combustion

    synonyms
    dissolved organic material (DOM), non-purgeable organic carbon (NPOC)
    Co, cobalt
    name
    Co, cobalt
    C, TIC (total inorganic carbon)
    name
    C, TIC (total inorganic carbon)
    description
    nondispersive infrared sensor  (NDIR) after purging with hydrochloric acid
    synonyms
    Gesamter anorganischer Kohlenstoff, TIC
    Cu, copper
    name
    Cu, copper
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Kupfer
    cyanide
    name
    cyanide
    electrical conductivity
    name
    electrical conductivity
    description

    determination by conductivity-probe

    synonyms
    elektrische Leitfähigkeit, Salinität, Salzgehalt, Konduktivität, cond
    Fe, total iron
    name
    Fe, total iron
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Gesamteisen
    F, fluoride
    name
    F, fluoride
    Hg, mercury
    name
    Hg, mercury
    synonyms
    Quecksilber
    K, potassium
    name
    K, potassium
    description
    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)
    synonyms
    Kalium
    Li, lithium
    name
    Li, lithium
    Mg, magnesium
    name
    Mg, magnesium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Magnesium
    Mn, manganese
    name
    Mn, manganese
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Mangan
    Mo, molybdenum
    name
    Mo, molybdenum
    N, ammonia-nitrogen
    name
    N, ammonia-nitrogen
    description

    0,45µm filtrated, photometric determination

    synonyms
    NH4+-N, Ammonium, ammonia, NH4-N, NH4
    Na, sodium
    name
    Na, sodium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Natrium
    Ni, nickel
    name
    Ni, nickel
    N, nitrate-nitrogen
    name
    N, nitrate-nitrogen
    description

    0,45µm filtrated, photometric determination

    synonyms
    NO3-N, NO3--N, nitrate, Nitrat
    N, nitrite-nitrogen
    name
    N, nitrite-nitrogen
    description

    0,45µm filtrated, photometric determination

    synonyms
    Nitrit, nitrite, NO2, NO2-N, NO2--N
    N, total dissolved nitrogen
    name
    N, total dissolved nitrogen
    description

    0,45µm filtrated, nondispersive infrared sensor  (NDIR) after combustion

    synonyms
    Stickstoff gelöst, gesamter gelöster Stickstoff, DN
    N, total nitrogen
    name
    N, total nitrogen
    description

    nondispersive infrared sensor  (NDIR) after combustion

    synonyms
    Gesamtstickstoff
    O, oxygen concentration
    name
    O, oxygen concentration
    description

    determination by oxygen-probe

    synonyms
    Sauerstoffkonzentration
    O, oxygen saturation
    name
    O, oxygen saturation
    description

    determination by oxygen-probe

    synonyms
    Sauerstoffsättigung
    Pb, lead
    name
    Pb, lead
    synonyms
    Blei
    pH
    name
    pH
    description

    pH-probe determination

    P, phosphate
    name
    P, phosphate
    P, (soluble reactive phosphorus)
    name
    P, (soluble reactive phosphorus)
    description

    0,45µm filtrated, photometric determination

    synonyms
    anorganischer gelöster Phosphor, ortho-Phosphat-P, DRP, DIP, inorganic soluble phosphorus, phosphate-phosphorus
    P, (total phosphorus)
    name
    P, (total phosphorus)
    description

    photometric determination after digestion

    synonyms
    total phosphorus, gesamter Phosphor
    Rb, rubidium
    name
    Rb, rubidium
    Sb, antimony
    name
    Sb, antimony
    silicic acid
    name
    silicic acid
    Sn, tin
    name
    Sn, tin
    synonyms
    Zinn, tin, Sn
    Sr, strontium
    name
    Sr, strontium
    S, sulfate
    name
    S, sulfate
    description

    0,2µm filtrated, Ionenchromatographie (IC)

    synonyms
    sulphate, Sulfat
    Ti, titanium
    name
    Ti, titanium
    Tl, thallium
    name
    Tl, thallium
    U, uranium
    name
    U, uranium
    V, vanadium
    name
    V, vanadium
    Zn, zinc
    name
    Zn, zinc
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Zink

    biology:

    escherichia coli
    name
    escherichia coli
    synonyms
    E. coli
    fecal coliforms
    name
    fecal coliforms

    meteorology:

    air temperature
    name
    air temperature
    synonyms
    Lufttemperatur
    Contact
    Jürgen Hofmann, Markus Venohr
    Licence for data
    The data of this work are licensed under:Attribution-NonCommercial-ShareAlike 4.0 International
    Project
    IWRM MoMo Integriertes Wasserressourcen-Management in Zentralasien: Modellregion Mongolei Project Website

    Metadata files

    TitleUpload dateFiletypeLicenceActions
    Metadata_MoMo_WQDB_2018_05_14.pdf10. Aug. 2018 12:21.pdfODC-By Download

    Data files (e.g. excel)

    TitlecreatedFiletypeActions
    Discharge_Buren_Tolgoi_2018_05_14_xlsx.xlsx 26. Jul. 2018 16:59 datatable: .xlsx Download
    MoMo_WQDB_2018_05_14.xlsx 23. Jul. 2018 13:21 datatable: .xlsx Download

    Machine Readable Metadata Files

    FRED provides all metadata of this package in a maschine readable format. There is a pure XML file and one EML file in Ecological Metadata Language. Both files are published under the freeODC-ByLicence.

    • Kharaa_Yeröö_River_Basin_Water_Quality_Database.xml
    • Kharaa_Yeröö_River_Basin_Water_Quality_Database.eml

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    Parsing data File

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    • preprocessing: means automatic detection of headlines, table body, format values or csv-separators
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    • analyzing: check out for different data types (can be time, numeric or text)