Interpolation Uncertainty: New England stream sediment and water chemistry data:

Universal Kriging Interpolation

·      Major Elements

·      Trace Elements

·      NURE Water Chemistry

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Major Elements:

          Al₂O₃                     CaO                             Fe₂O₃

           K₂O                               MgO                              Na₂O

            SiO₂                                 TiO₂

Trace Elements, by group:

Alkaline Earths:

                                          Ba                                         Sr

First-row Transition elements:

                                           Sc                                                      V

Heavy-mineral suite: (Rare earths)

            Ce                                           La                                              Nd                

Heavy-mineral suite: (other)

               Y                               Th                              U                              Zr

Base and toxic metals

               Cu                                     Pb                                    Zn

                As                                     Hg

NURE Water Chemistry:

         Alkalinity                         pH                       Specific Conductance

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Direct questions and comments to:

Gilpin R. Robinson

U.S. Geological Survey

Email grobinso@usgs.gov 

Phone (703)-648-6113