@article{velbel_weathering_1993,
	title = {Weathering and pedogenesis at the watershed scale:  some recent lessons from studies of acid-deposition effects.},
	volume = {107},
	url = {http://cwt33.ecology.uga.edu/publications/343.pdf},
	abstract = {Geochemical mass balance is commonly used to calculate mineral weathering rates. Such studies invariably find higher present-day rates and generally conclude that the higher rates are a consequence of recent environmental acidification.  However, because the residual solids which are the basis of the long-term estimate are time-integrated accumulations of weathering products, it may be inappropriate to compare short-term rates from solute input-output budgets with0long-term rates from bulk profile chemistry. There are disparities in both the time-scales over which the two methods measure rates, and the volume fraction of the regolith being sampled. Soils better integrate time; solute budgets better integrate space.},
	journal = {Chemical Geology},
	author = {Velbel, M.A.},
	year = {1993},
	keywords = {CWT}
}

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