970 Spencer Road
Avondale, PA 19311
610.268.2153 / 610.268.0490 (fax)

dedicated to the study of streams and rivers

    Home | About Stroud | Research | Education | Press Room | Support Stroud | Contact Us | Directions

Stroud Center Project in Madre de Dios, Peru
Station: RMADREPMALDO (Rio Madre de Dios at Puerto Maldonado )
 
Watershed Condition: Mixed
Latitude: -12.59377 Longitude: -69.16848

  Chemistry Temperature 28.6 oC
    pH 7.448  
    Conductivity 111.1 uS/cm
    Dissolved Oxygen 7.25 mg/L
    % Dissolved Oxygen 94.1  
    Alkalinity (CO3) 818.38 mg/L
    DOC 1.02 mg/L
    BDOC 0.16 mg/L
    Calcium 13.37 mg/L
    Magnesium 2.38 mg/L
    Sodium 4.19 mg/L
    Potassium 1.3 mg/L
    Chloride 0.593 mg/L
    Sulfate 10.584 mg/L
    Ammonium-N 0.007 mg/L
    Nitrite-N 0 mg/L
    Nitrate-N 0.03 mg/L
    Phosphate 0.012 mg/L
  Seston Fine Suspended Sediment 82.79 mg/L
    FSS Particulate Org C 0.99 mg/L
    FSS Particulate Org N 0.139 mg/L
    FSS molar C/N 8.36  
    FSS del 13C -35.99 permil
    FSS del 15N 0.91 permil
    FSS Org C % 1.2  
    FSS Org N % 0.17  
    Coarse Suspended Sediment 0.53 mg/L
    CSS Particulate Org C 0.0262 mg/L
    CSS Particulate Org N 0.0011 mg/L
    CSS molar C/N 26.84  
    CSS del 13C -29.2 permil
    CSS del 15N 4.15 permil
    CSS Org C % 4.94  
    CSS Org N % 0.22  
  Isotopes del 15N 7.33 permil
    del 18O -9.89 permil
    Mean DOC from 13C Samples 0.8 mg/L
    Mean DOC del 13C -29.2 permil
  Tracer-Fragrances/Caffeine HHCB 0.00548 ug/L
    CAF 0.00781 ug/L
  Tracer-Human Steroids bCOP 0.00334 ug/L
    EPI 0.00492 ug/L
    CHO 0.19 ug/L
    aCOP 0.02114 ug/L
    eCOP 0.003 ug/L
    bONE 0.01608 ug/L
  Tracer-Non-human Steroids eEPI 0.00186 ug/L
    aONE 0.00535 ug/L
    eCHO 0.4185 ug/L
  Tracer-All Steroids Sum of Fecal Sterols - Group 2 0.70883 ug/L
  Tracer-Low Molecular Weight PAH FLU 0.00231 ug/L
    PHE 0.00311 ug/L
    ANT 0.00033 ug/L
    2MP 0.00157 ug/L
    1MP 0.00111 ug/L
  Tracer-High Molecular Weight PAH FLR 0.00018 ug/L
    PYR 0.0011 ug/L
    BAA 0.00012 ug/L
    CHR 0.0008 ug/L
    BBF 0.00031 ug/L
    BKF 0.00076 ug/L
    BAP 0.00012 ug/L
  Tracer-PAH Sum of PAH 0.01182 ug/L
  Tracer-PCB PCB118 0.00023 ug/L
    PCB153 0.00024 ug/L
    PCB138 0.0003 ug/L
  Tracer-Pesticides Atrazine 0.01396 ug/L
    Metalaxyl 0.00137 ug/L
    Chlorpyrifos 0.00201 ug/L
    4,4-DDT 0.0063 ug/L

 

Funding provided by a grant from the Moore Foundation