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dedicated to the study of streams and rivers

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Stroud Center Project in Madre de Dios, Peru
Station: RLOSAMI (Rio de Los Amigos at the mouth near CICRA )
 
Watershed Condition: Forest
Latitude: -12.57845 Longitude: -70.07308

  Chemistry Temperature 27.6 oC
    pH 7.811  
    Conductivity 118.4 uS/cm
    Dissolved Oxygen 8.36 mg/L
    % Dissolved Oxygen 106.8  
    Alkalinity (CO3) 1137.79 mg/L
    DOC 1.91 mg/L
    BDOC 0.33 mg/L
    Calcium 16.18 mg/L
    Magnesium 2.23 mg/L
    Sodium 3.84 mg/L
    Potassium 1.8 mg/L
    Chloride 0.13 mg/L
    Sulfate 0.431 mg/L
    Ammonium-N 0 mg/L
    Nitrite-N 0 mg/L
    Nitrate-N 0.001 mg/L
    Phosphate 0.001 mg/L
  Seston Fine Suspended Sediment 63.24 mg/L
    FSS Particulate Org C 1.49 mg/L
    FSS Particulate Org N 0.214 mg/L
    FSS molar C/N 8.1  
    FSS del 13C -34.15 permil
    FSS del 15N 5.09 permil
    FSS Org C % 2.4  
    FSS Org N % 0.34  
    Coarse Suspended Sediment 0.54 mg/L
    CSS Particulate Org C 0.0062 mg/L
    CSS Particulate Org N 0.0004 mg/L
    CSS molar C/N 17.61  
    CSS del 13C -29.3 permil
    CSS del 15N 3.85 permil
    CSS Org C % 1.15  
    CSS Org N % 0.08  
  Isotopes del 15N 2.39 permil
    del 18O 25.35 permil
    Mean DOC from 13C Samples 1.67 mg/L
    Mean DOC del 13C -30.6 permil
  Tracer-Fragrances/Caffeine HHCB 0.00627 ug/L
    CAF 0.00322 ug/L
  Tracer-Human Steroids bCOP 0.00615 ug/L
    EPI 0.00306 ug/L
    CHO 0.48383 ug/L
    aCOP 0.03138 ug/L
    eCOP 0.00897 ug/L
    bONE 0.02702 ug/L
  Tracer-Non-human Steroids eEPI 0.00329 ug/L
    aONE 0.0022 ug/L
    eCHO 0.46613 ug/L
  Tracer-All Steroids Sum of Fecal Sterols - Group 2 1.09803 ug/L
  Tracer-Low Molecular Weight PAH FLU 0.00039 ug/L
    PHE 0.00143 ug/L
    ANT 0.00013 ug/L
    2MP 0.00088 ug/L
    1MP 0.00104 ug/L
  Tracer-High Molecular Weight PAH FLR 0.00114 ug/L
    PYR 0.00059 ug/L
    BAA 0.00005 ug/L
    CHR 0.00026 ug/L
    BBF 0.00009 ug/L
    BKF 0.00168 ug/L
    BAP 0.00022 ug/L
  Tracer-PAH Sum of PAH 0.0079 ug/L
  Tracer-PCB PCB118 0.00053 ug/L
    PCB153 0.00018 ug/L
    PCB138 0.00052 ug/L
  Tracer-Pesticides Atrazine 0.01226 ug/L
    Metalaxyl 0.00128 ug/L
    Chlorpyrifos 0.00168 ug/L
    4,4-DDT 0.00887 ug/L

 

Funding provided by a grant from the Moore Foundation