The NASQAN Program in the Mississippi River Basin. R.H. Coupe. NASQAN II Na tional S tream Q uality A ccounting N etwork. What Was NASQAN I?. Began in the early 70’s and continued through the mid 90’s Goal : to provide nationally comparable information on water quality
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Yes, the data has been used in a variety of ways:
Here filtering for trace elements with 0.45 um capsule filter and masterflex pump with Teflon tubing.
Processing for pesticides using a 0.7 um nominal pore size baked glass fiber filter
All WRD Field Offices have something comparable to Montana’s mobile laboratory for processing in the field
Fluxes are computed using the rating curve method Montana’s mobile laboratory for processing in the field
The rating curve equation f(Qi) has the form:
ln(L) = ao + a1ln(Q) + a2ln(Q)2 + a3sin(t) + a4cos(t) + a5t