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Results: 1-25/31
Authors:
BATES HK
SPALDING RF
Citation: Hk. Bates et Rf. Spalding, AQUIFER DENITRIFICATION AS INTERPRETED FROM IN-SITU MICROCOSM EXPERIMENTS, Journal of environmental quality, 27(1), 1998, pp. 174-182
Authors:
BATES HK
MARTIN GE
SPALDING RF
Citation: Hk. Bates et al., KINETIC ISOTOPE EFFECTS IN PRODUCTION OF NITRITE-NITROGEN AND DINITROGEN GAS DURING IN-SITU DENITRIFICATION, Journal of environmental quality, 27(1), 1998, pp. 183-191
Authors:
DIGNAZIO FJ
KROTHE NC
BAEDKE SJ
SPALDING RF
Citation: Fj. Dignazio et al., DELTA-N-15 OF NITRATE DERIVED FROM EXPLOSIVE SOURCES IN A KARST AQUIFER BENEATH THE AMMUNITION-BURNING-GROUND, CRANE-NAVAL-SURFACE-WARFARE-CENTER, INDIANA, USA, Journal of hydrology, 206(3-4), 1998, pp. 164-175
Authors:
PAPIERNIK SK
SPALDING RF
Citation: Sk. Papiernik et Rf. Spalding, ATRAZINE, DEETHYLATRAZINE, AND DEISOPROPYLATRAZINE PERSISTENCE MEASURED IN GROUNDWATER IN-SITU UNDER LOW-OXYGEN CONDITIONS, Journal of agricultural and food chemistry, 46(2), 1998, pp. 749-754
Authors:
MONSON SJ
MA L
CASSADA DA
SPALDING RF
Citation: Sj. Monson et al., CONFIRMATION AND METHOD DEVELOPMENT FOR DECHLORINATED ATRAZINE FROM REDUCTIVE DEHALOGENATION OF ATRAZINE WITH FE-0, Analytica chimica acta, 373(2-3), 1998, pp. 153-160
Authors:
MA L
SPALDING RF
Citation: L. Ma et Rf. Spalding, EFFECTS OF ARTIFICIAL RECHARGE ON GROUND-WATER QUALITY AND AQUIFER STORAGE RECOVERY, Journal of the american water resources association, 33(3), 1997, pp. 561-572
Authors:
IQBAL MZ
KROTHE NC
SPALDING RF
Citation: Mz. Iqbal et al., NITROGEN ISOTOPE INDICATORS OF SEASONAL SOURCE VARIABILITY TO GROUNDWATER, Environmental geology, 32(3), 1997, pp. 210-218
Authors:
HASSAN KM
SWINEHART JB
SPALDING RF
Citation: Km. Hassan et al., EVIDENCE FOR HOLOCENE ENVIRONMENTAL-CHANGE FROM C N RATIOS, AND DELTA-C-13 DELTA-N-15 VALUES IN SWAN LAKE-SEDIMENTS, WESTERN SAND HILLS, NEBRASKA/, Journal of paleolimnology, 18(2), 1997, pp. 121-130
Authors:
SNOW DD
SPALDING RF
Citation: Dd. Snow et Rf. Spalding, SHORT-TERM AQUIFER RESIDENCE TIMES ESTIMATED FROM RN-222 DISEQUILIBRIUM IN ARTIFICIALLY-RECHARGED GROUND-WATER, Journal of environmental radioactivity, 37(3), 1997, pp. 307-325
Authors:
MA L
SPALDING RF
Citation: L. Ma et Rf. Spalding, HERBICIDE PERSISTENCE AND MOBILITY IN RECHARGE LAKE WATERSHED IN YORK, NEBRASKA, Journal of environmental quality, 26(1), 1997, pp. 115-125
Authors:
KATUPITIYA A
EISENHAUER DE
FERGUSON RB
SPALDING RF
ROETH FW
BOBIER MW
Citation: A. Katupitiya et al., LONG-TERM TILLAGE AND CROP-ROTATION EFFECTS ON RESIDUAL NITRATE IN THE CROP ROOT-ZONE AND NITRATE ACCUMULATION IN THE INTERMEDIATE VADOSE ZONE, Transactions of the ASAE, 40(5), 1997, pp. 1321-1327
Authors:
CAI ZW
CERNY RL
SPALDING RF
Citation: Zw. Cai et al., MICROBORE LIQUID-CHROMATOGRAPHIC MASS-SPECTROMETRIC DETERMINATION OF ATRAZINE AND ITS MAJOR HYDROXYLATED DEGRADATE IN WATER AT PARTS-PER-TRILLION LEVELS USING ELECTROSPRAY, Journal of chromatography, 753(2), 1996, pp. 243-251
Authors:
PAPIERNIK TD
WIDMER SK
SPALDING RF
Citation: Td. Papiernik et al., EFFECT OF VARIOUS MATERIALS IN MULTILEVEL SAMPLERS ON MONITORING COMMONLY OCCURRING AGRICHEMICALS IN-GROUND WATER, Ground water monitoring & remediation, 16(1), 1996, pp. 80-84
Authors:
CAI ZW
MONSON SJ
SPALDING RF
Citation: Zw. Cai et al., DETERMINATION OF ATRAZINE AND HYDROXYATRAZINE IN AGRICULTURAL RUNOFF WATERS BY LIQUID-CHROMATOGRAPHY AND FAST ATOM BOMBARDMENT-HIGH RESOLUTION MASS-SPECTROMETRY, Journal of AOAC International, 79(4), 1996, pp. 929-935
Authors:
MA L
SPALDING RF
Citation: L. Ma et Rf. Spalding, STABLE-ISOTOPE CHARACTERIZATION OF THE IMPACTS OF ARTIFICIAL GROUND-WATER RECHARGE, Water resources bulletin, 32(6), 1996, pp. 1273-1282
Authors:
WIDMER SK
SPALDING RF
SKOPP J
Citation: Sk. Widmer et al., NONLINEAR-REGRESSION OF BREAKTHROUGH CURVES TO OBTAIN RETARDATION FACTORS IN A NATURAL GRADIENT FIELD-STUDY, Journal of environmental quality, 24(3), 1995, pp. 439-444
Authors:
WIDMER SK
SPALDING RF
Citation: Sk. Widmer et Rf. Spalding, A NATURAL GRADIENT TRANSPORT STUDY OF SELECTED HERBICIDES, Journal of environmental quality, 24(3), 1995, pp. 445-453
Authors:
ZLOTNIK VA
BURBACH ME
EXNER ME
SPALDING RF
Citation: Va. Zlotnik et al., WELL SAMPLING FOR AGRICHEMICALS IN HIGH-CAPACITY SYSTEMS, Journal of soil and water conservation, 50(1), 1995, pp. 95-101
Authors:
MARTIN GE
SNOW DD
KIM E
SPALDING RF
Citation: Ge. Martin et al., SIMULTANEOUS DETERMINATION OF ARGON AND NITROGEN, Ground water, 33(5), 1995, pp. 781-785
Authors:
CAI ZW
GROSS ML
SPALDING RF
Citation: Zw. Cai et al., DETERMINATION OF DIDEALKYLATRAZINE IN WATER BY GRAPHITIZED CARBON-BLACK EXTRACTION FOLLOWED BY GAS-CHROMATOGRAPHY HIGH-RESOLUTION MASS-SPECTROMETRY, Analytica chimica acta, 304(1), 1995, pp. 67-73
Authors:
SNOW DD
SPALDING RF
Citation: Dd. Snow et Rf. Spalding, URANIUM ISOTOPES IN THE PLATTE RIVER DRAINAGE-BASIN OF THE NORTH-AMERICAN HIGH-PLAINS REGION, Applied geochemistry, 9(3), 1994, pp. 271-278
Authors:
EXNER ME
SPALDING RF
Citation: Me. Exner et Rf. Spalding, N-15 IDENTIFICATION OF NONPOINT SOURCES OF NITRATE CONTAMINATION BENEATH CROPLAND IN THE NEBRASKA PANHANDLE - 2 CASE-STUDIES, Applied geochemistry, 9(1), 1994, pp. 73-81
Authors:
SPALDING RF
PARROTT JD
Citation: Rf. Spalding et Jd. Parrott, SHALLOW GROUNDWATER DENITRIFICATION, Science of the total environment, 141, 1994, pp. 17-25
Authors:
SPALDING RF
SNOW DD
CASSADA DA
BURBACH ME
Citation: Rf. Spalding et al., STUDY OF PESTICIDE OCCURRENCE IN 2 CLOSELY SPACED LAKES IN NORTHEASTERN NEBRASKA, Journal of environmental quality, 23(3), 1994, pp. 571-578
Authors:
CAI ZW
RAMANUJAM VMS
GROSS ML
MONSON SJ
CASSADA DA
SPALDING RF
Citation: Zw. Cai et al., LIQUID-SOLID EXTRACTION AND FAST-ATOM-BOMBARDMENT HIGH-RESOLUTION MASS-SPECTROMETRY FOR THE DETERMINATION OF HYDROXYATRAZINE IN WATER AT LOW-PPT LEVELS, Analytical chemistry, 66(23), 1994, pp. 4202-4209