By Timothy J Sullivan
"While now not an everyday information merchandise, acidic deposition remains to be a common factor for environmental managers and coverage makers. Emissions of sulfur and nitrogen from energy crops, business amenities, and motorized vehicles - significant reasons of acidic deposition - nonetheless pour into the ambience each day. Aquatic results of Acidic Deposition summarizes and synthesizes significant developments in clinical research, highlighting issues at once proper to coverage making."--BOOK JACKET. Read more...
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7) It is likely that base cation neutralization varies as a function of initial base cation concentration, and F will be low in watersheds where carbonic acid weathering and cation exchange yield low surface water base cation concentrations. In contrast, watersheds in which carbonic acid weathering yields relatively high surface water CB concentrations are more likely to exhibit greater neutralization of SO42- and NO3- acidity by increasing base cation release. 0 at higher initial CB concentrations.
1998). 3 Acid Neutralizing Capacity Acid neutralizing capacity (ANC) is the principal variable used to quantify the acid-base status of surface waters. Acidic waters are defined here as those with ANC less than or equal to zero. Acidification is often quantified by decreases in ANC, and susceptibility of surface waters to acidic deposition impacts is often evaluated on the basis of ANC (Altshuller and Linthurst, 1984; Schindler, 1988). In regional investigations of acid-base status, ANC has been the principal classification variable (Omernik and Powers, 1982).
S. lakes having low concentrations of base cations. , 1988; Sullivan, 1991), but is probably not always the case. , 1988). The issue of potential change in organic acid anion concentrations in response to acidic deposition has largely been ignored in much of the acidic deposition literature. , 1974; Krug and Frink, 1983) and the topic was reviewed by Marmorek et al. (1988). The latter study concluded that there were inconsistencies in the available data, but most evidence suggested that organic acids have been lost from surface waters in response to increased acidic deposition.