| Year |
Citation |
Score |
| 2020 |
Pettay DT, Gonski SF, Cai W, Sommerfield CK, Ullman WJ. The ebb and flow of protons: A novel approach for the assessment of estuarine and coastal acidification Estuarine, Coastal and Shelf Science. 236: 106627. DOI: 10.1016/J.Ecss.2020.106627 |
0.398 |
|
| 2019 |
Andres AS, Main CR, Pettay DT, Ullman WJ. Hydrophysical and Hydrochemical Controls of Cyanobacterial Blooms in Coursey Pond, Delaware (USA). Journal of Environmental Quality. 48: 73-82. PMID 30640342 DOI: 10.2134/Jeq2018.03.0108 |
0.43 |
|
| 2017 |
Kim KH, Heiss JW, Michael HA, Cai W, Laattoe T, Post VEA, Ullman WJ. Spatial Patterns of Groundwater Biogeochemical Reactivity in an Intertidal Beach Aquifer Journal of Geophysical Research: Biogeosciences. 122: 2548-2562. DOI: 10.1002/2017Jg003943 |
0.468 |
|
| 2016 |
Fischer SJ, York JK, Voynova YG, Ullman WJ. Distance-based mixing models of δ18
NNO3− and δ18
ONO3− in a marsh-lined estuary with multiple, distinct NO3− sources (Murderkill Estuary, Delaware, USA) Limnology and Oceanography. 62: 408-420. DOI: 10.1002/Lno.10398 |
0.416 |
|
| 2015 |
Voynova YG, Lebaron KC, Barnes RT, Ullman WJ. In situ response of bay productivity to nutrient loading from a small tributary: The Delaware Bay-Murderkill Estuary tidally-coupled biogeochemical reactor Estuarine, Coastal and Shelf Science. 160: 33-48. DOI: 10.1016/J.Ecss.2015.03.027 |
0.403 |
|
| 2015 |
Heiss JW, Puleo JA, Ullman WJ, Michael HA. Coupled surface-subsurface hydrologic measurements reveal infiltration, recharge, and discharge dynamics across the swash zone of a sandy beach Water Resources Research. 51: 8834-8853. DOI: 10.1002/2015Wr017395 |
0.408 |
|
| 2014 |
Dzwonkowski B, Wong KC, Ullman WJ. Water level and velocity characteristics of a salt marsh channel in the murderkill estuary, Delaware Journal of Coastal Research. 30: 63-74. DOI: 10.2112/Jcoastres-D-12-00161.1 |
0.354 |
|
| 2014 |
Heiss JW, Ullman WJ, Michael HA. Swash zone moisture dynamics and unsaturated infiltration in two sandy beach aquifers Estuarine, Coastal and Shelf Science. 143: 20-31. DOI: 10.1016/J.Ecss.2014.03.015 |
0.443 |
|
| 2012 |
Volk JA, Scudlark JR, Savidge KB, Andres AS, Stenger RJ, Ullman WJ. Intra- and inter-annual trends in phosphorus loads and comparison with nitrogen loads to Rehoboth Bay, Delaware (USA) Estuarine, Coastal and Shelf Science. 96: 139-150. DOI: 10.1016/J.Ecss.2011.10.023 |
0.334 |
|
| 2010 |
Kasper JW, Denver JM, Mckenna TE, Ullman WJ. Simulated impacts of artificial groundwater recharge and discharge on the source area and source volume of an Atlantic Coastal Plain Stream, Delaware, USA Hydrogeology Journal. 18: 1855-1866. DOI: 10.1007/S10040-010-0641-X |
0.436 |
|
| 2009 |
Wong KC, Dzwonkowski B, Ullman WJ. Temporal and spatial variability of sea level and volume flux in the Murderkill Estuary Estuarine, Coastal and Shelf Science. 84: 440-446. DOI: 10.1016/J.Ecss.2009.07.008 |
0.358 |
|
| 2008 |
Hays RL, Ullman WJ. Dissolved nutrient fluxes through a sandy estuarine beachface (Cape Henlopen, Delaware, U.S.A.): Contributions from fresh groundwater discharge, seawater recycling, and diagenesis (Estuaries and Coasts (2007) 30, 4, DOI: 10.1007/BF02841967) Estuaries and Coasts. 31: 606. DOI: 10.1007/s12237-008-9043-x |
0.62 |
|
| 2007 |
Hays RL, Ullman WJ. Direct determination of total and fresh groundwater discharge and nutrient loads from a sandy beachface at low tide (Cape Henlopen, Delaware) Limnology and Oceanography. 52: 240-247. DOI: 10.4319/Lo.2007.52.1.0240 |
0.655 |
|
| 2007 |
Hays RL, Ullman WJ. Dissolved nutrient fluxes through a sandy estuarine beachface (Cape Henlopen, Delaware, U.S.A.): Contributions from fresh groundwater discharge, seawater recycling, and diagenesis Estuaries and Coasts. 30: 710-724. DOI: 10.1007/S12237-008-9043-X |
0.665 |
|
| 2006 |
Volk JA, Savidge KB, Scudlark JR, Andres AS, Ullman WJ. Nitrogen loads through baseflow, stormflow, and underflow to Rehoboth Bay, Delaware Journal of Environmental Quality. 35: 1742-1755. PMID 16899745 DOI: 10.2134/Jeq2005.0373 |
0.389 |
|
| 2005 |
Scudlark JR, Jennings JA, Roadman MJ, Savidge KB, Ullman WJ. Atmospheric nitrogen inputs to the Delaware Inland Bays: the role of ammonia. Environmental Pollution (Barking, Essex : 1987). 135: 433-43. PMID 15749541 DOI: 10.1016/J.Envpol.2004.11.017 |
0.443 |
|
| 2004 |
Miller DC, Ullman WJ. Ecological consequences of ground water discharge to Delaware Bay, United States Ground Water. 42: 959-970. DOI: 10.1111/J.1745-6584.2004.Tb02635.X |
0.49 |
|
| 2003 |
Roadman MJ, Scudlark JR, Meisinger JJ, Ullman WJ. Validation of Ogawa passive samplers for the determination of gaseous ammonia concentrations in agricultural settings Atmospheric Environment. 37: 2317-2325. DOI: 10.1016/S1352-2310(03)00163-8 |
0.3 |
|
| 2003 |
Ullman WJ, Chang B, Miller DC, Madsen JA. Groundwater mixing, nutrient diagenesis, and discharges across a sandy beachface, Cape Henlopen, Delaware (USA) Estuarine, Coastal and Shelf Science. 57: 539-552. DOI: 10.1016/S0272-7714(02)00398-0 |
0.506 |
|
| 2000 |
Welch SA, Ullman WJ. The temperature dependence of bytownite feldspar dissolution in neutral aqueous solutions of inorganic and organic ligands at low temperature (5-35°C) Chemical Geology. 167: 337-354. DOI: 10.1016/S0009-2541(99)00238-7 |
0.341 |
|
| 1999 |
Welch SA, Ullman WJ. The effect of microbial glucose metabolism on bytownite feldspar dissolution rates between 5°and 35°C Geochimica Et Cosmochimica Acta. 63: 3247-3259. DOI: 10.1016/S0016-7037(99)00248-3 |
0.322 |
|
| 1998 |
Ullman WJ. Competitive Adsorption at Surface Aluminum Sites: An Approach to Determining Feldspar Dissolution Rates in Mixed Proton/Ligand Systems Mineralogical Magazine. 1559-1560. DOI: 10.1180/Minmag.1998.62A.3.151 |
0.307 |
|
| 1996 |
Ullman WJ, Kirchman DL, Welch SA, Vandevivere P. Laboratory evidence for microbially mediated silicate mineral dissolution in nature Chemical Geology. 132: 11-17. DOI: 10.1016/S0009-2541(96)00036-8 |
0.368 |
|
| 1996 |
Welch SA, Ullman WJ. Feldspar dissolution in acidic and organic solutions: Compositional and pH dependence of dissolution rate Geochimica Et Cosmochimica Acta. 60: 2939-2948. DOI: 10.1016/0016-7037(96)00134-2 |
0.318 |
|
| 1995 |
Abdelouas A, Crovisier JL, Lutze W, Ullman WJ, Risacher F. Occurrence of silhydrite in a soda lake on the Bolivian Altiplano Clays &Amp; Clay Minerals. 30: 77-82. DOI: 10.1180/Claymin.1995.030.1.09 |
0.4 |
|
| 1995 |
Ullman WJ. The fate and accumulation of bromide during playa salt deposition: An example from Lake Frome, South Australia Geochimica Et Cosmochimica Acta. 59: 2175-2186. DOI: 10.1016/0016-7037(95)00099-L |
0.348 |
|
| 1994 |
Ullman WJ, Collerson KD. The sr-isotope record of late quaternary hydrologic changes around lake frome, South Australia Australian Journal of Earth Sciences. 41: 37-45. DOI: 10.1080/08120099408728111 |
0.407 |
|
| 1993 |
Welch SA, Ullman WJ. The effect of organic acids on plagioclase dissolution rates and stoichiometry Geochimica Et Cosmochimica Acta. 57: 2725-2736. DOI: 10.1016/0016-7037(93)90386-B |
0.322 |
|
| 1992 |
Skrabal SA, Ullman WJ, Luther GW. Estuarine distributions of dissolved titanium Marine Chemistry. 37: 83-103. DOI: 10.1016/0304-4203(92)90058-I |
0.418 |
|
| 1990 |
Ullman WJ, Luther GW, De Lange GJ, Woittiez JRW. Iodine chemistry in deep anoxic basins and overlying waters of the Mediterranean Sea Marine Chemistry. 31: 153-170. DOI: 10.1016/0304-4203(90)90036-C |
0.461 |
|
| 1990 |
De Lange GJ, Boelrijk NAIM, Catalano G, Corselli C, Klinkhammer GP, Middelburg JJ, Müller DW, Ullman WJ, Van Gaans P, Woittiez JRW. Sulphate-related equilibria in the hypersaline brines of the Tyro and Bannock Basins, eastern Mediterranean Marine Chemistry. 31: 89-112. DOI: 10.1016/0304-4203(90)90032-8 |
0.395 |
|
| 1989 |
Ullman WJ, Aller RC. Nutrient release rates from the sediments of Saginaw Bay, Lake Huron Hydrobiologia. 171: 127-140. DOI: 10.1007/Bf00008173 |
0.473 |
|
| 1988 |
Collerson KD, Ullman WJ, Torgersen T. Ground waters with unradiogenic 87Sr/86Sr ratios in the Great Artesian Basin, Australia Geology. 16: 59-63. DOI: 10.1130/0091-7613(1988)016<0059:Gwwuss>2.3.Co;2 |
0.461 |
|
| 1988 |
Luther GW, Swartz CB, Ullman WJ. Direct determination of iodide in seawater by cathodic stripping square wave voltammetry Analytical Chemistry. 60: 1721-1724. DOI: 10.1021/Ac00168A017 |
0.377 |
|
| 1988 |
Ullman WJ, Luther GW, Aller RC, Mackin JE. Dissolved iodine behavior in estuaries along the east coast of the United States Marine Chemistry. 25: 95-106. DOI: 10.1016/0304-4203(88)90058-8 |
0.447 |
|
| 1988 |
Mackin JE, Aller RC, Ullman WJ. The effects of iron reduction and nonsteady-state diagenesis on iodine, ammonium, and boron distributions in sediments from the Amazon continental shelf Continental Shelf Research. 8: 363-386. DOI: 10.1016/0278-4343(88)90009-X |
0.338 |
|
| 1988 |
Torgersen T, Luly J, De Deckker P, Jones MR, Searle DE, Chivas AR, Ullman WJ. Late quaternary environments of the Carpentaria Basin, Australia Palaeogeography, Palaeoclimatology, Palaeoecology. 67: 245-261. DOI: 10.1016/0031-0182(88)90155-1 |
0.405 |
|
| 1987 |
Ullman WJ, Sandstrom MW. Dissolved nutrient fluxes from the nearshore sediments of Bowling Green Bay, central Great Barrier Reef Lagoon (Australia) Estuarine, Coastal and Shelf Science. 24: 289-303. DOI: 10.1016/0272-7714(87)90051-5 |
0.505 |
|
| 1985 |
Torgersen T, Jones MR, Stephens AW, Searle DE, Ullman WJ. Late quaternary hydrological changes in the Gulf of Carpentaria Nature. 313: 785-787. DOI: 10.1038/313785A0 |
0.373 |
|
| 1985 |
Aller RC, Mackin JE, Ullman WJ, Wang Chen-Hou, Tsai Shing-Min, Jin Jian-Cai, Sui Yong-Nian, Hong Jia-Zhen. Early chemical diagenesis, sediment-water solute exchange, and storage of reactive organic matter near the mouth of the Changjiang, East China Sea Continental Shelf Research. 4: 227-251. DOI: 10.1016/0278-4343(85)90031-7 |
0.421 |
|
| 1985 |
Ullman WJ. Evaporation rate from a salt pan: Estimates from chemical profiles in near-surface groundwaters Journal of Hydrology. 79: 365-373. DOI: 10.1016/0022-1694(85)90066-6 |
0.388 |
|
| 1985 |
Ullman WJ, Aller RC. The geochemistry of iodine in near-shore carbonate sediments Geochimica Et Cosmochimica Acta. 49: 967-978. DOI: 10.1016/0016-7037(85)90311-4 |
0.461 |
|
| 1983 |
Aller RC, Yingst JY, Ullman WJ. Comparative biogeochemistry of water in intertidal Onuphis ( Polychaeta) and Upogebia ( Crustacea) burrows: temporal patterns and causes Journal of Marine Research. 41: 571-604. DOI: 10.1357/002224083788519722 |
0.369 |
|
| 1983 |
Ullman WJ, Aller RC. Rates of iodine remineralization in terrigenous near-shore sediments Geochimica Et Cosmochimica Acta. 47: 1423-1432. DOI: 10.1016/0016-7037(83)90301-0 |
0.485 |
|
| 1980 |
Ullman WJ, Aller RC. Dissolved iodine flux from estuarine sediments and implications for the enrichment of iodine at the sediment water interface Geochimica Et Cosmochimica Acta. 44: 1177-1184. DOI: 10.1016/0016-7037(80)90071-X |
0.506 |
|
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