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4DVAR retrieval of prognostic land surface model variables.
(2004)
The major findings of the first type of retrieval are: Initial soil moisture contents as well as deep soil temperature can all be successfully retrieved, for realistic initial guess errors; the relative difficulty in ...
Alterations in land surface-atmosphere processes resulting from the 1988 Greater Yellowstone Area fires.
(2004)
Meteorological observations for the 10-year period 1984 to 1993 have been collected from 178 stations within the GYA, quality assured, and spatially and temporally interpolated to produce gridded data suitable for model ...
Redox functional groups of humic substances.
(2004)
A new analytical technique based on palladium (Pd) and H2 catalytic system showed significant potential as a useful method for reliably assessing redox sites in humic substances. The technique identifies redox sites as a ...
Microbially-mediated reduction and oxidation of uranium: Implications for the bioremediation of uranium(VI)-contaminated aquifers.
(2004)
Mechanisms of nitrate-dependent U(IV) were assessed by incubating biogenic U(IV) with nitrite or Fe(III). Fe(III) rapidly but incompletely oxidized U(IV) since Fe(II) accumulated during the reaction and inhibited any further ...
The use of fecal bacteria in the assessment of the environmental impact by concentrated animal feeding operations on water quality.
(2004)
Many sources of pollution, including agricultural, industrial, and urban sources, can increase a stream or lake's nutrient and bacterial concentrations. In order to improve water quality, these sources must be identified, ...
Variational pseudo multiple-Doppler analyses of a dryline utilizing very-high resolution mobile Doppler radar data.
(2004)
The dryline has long been associated with the development of severe thunderstorms in the southern Plains during the spring and early summer months. The propagation and structure of the dryline are closely tied to surface ...