The labile fractions of metals and arsenic in mining-impacted soils are explained by soil properties and metal source characteristics.

abstract：:Anthropogenic nitrate (NO3-) within the Mississippi-Atchafalaya River basin and discharge to the Gulf of Mexico has been linked to serious environmental problems. The sources of this NO3- have been estimated by others using mass balance methods; however, there is considerable uncertainty in these estimates. Part of th...

journal_title：Journal of environmental quality

authors： Panno SV,Hackley KC,Kelly WR,Hwang HH

更新日期：2006-02-02 00:00:00

abstract：:Declines in acidic deposition across Europe and North America have led to decreases in surface water acidity and signs of chemical recovery of soils from acidification. To better understand the link between recovery of soils and surface waters, chemical trends in precipitation, soils, and streamwater were investigated...

journal_title：Journal of environmental quality

authors： Siemion J,McHale MR,Lawrence GB,Burns DA,Antidormi M

更新日期：2018-05-01 00:00:00

abstract：:We examined constraints on soil CO2 respiration in natural oak woodlands, and adjacent vineyards that were converted approximately 30 yr ago from oak woodlands, in the Oakville Region of Napa Valley, California. All sites were located on the same soil type, a Bale (variant) gravelly loam (fine-loamy, mixed, superactiv...

journal_title：Journal of environmental quality

authors： Carlisle EA,Steenwerth KL,Smart DR

更新日期：2006-07-06 00:00:00

abstract：:Previous studies have indicated that dissolved-phase metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(methoxy-1-methylethyl) acetamide] transported in surface runoff is retained by vegetative filter strips to a greater degree than either metolachlor oxanilic acid 12-[(2-ethyl-6-methylphenyl) (2-methoxy-1-methylethy...

journal_title：Journal of environmental quality

authors： Krutz LJ,Senseman SA,McInnes KJ,Hoffman DW,Tierney DP

更新日期：2004-05-01 00:00:00

abstract：:Human activities have caused toxic metal pollution and ecological risks to agricultural soil. In this study, 291 topsoil samples, collected in the agricultural soil system of Yuzhong, China, were selected to study the toxic metals and metalloids contamination characteristics, source and ecological risk based on geosta...

journal_title：Journal of environmental quality

authors： Duan K,Zhao B,Zhang S,Ma Y

更新日期：2020-10-01 00:00:00

abstract：:Transitional ecotones such as vegetated buffer strips, stream banks, and streambeds retain phosphorus (P) in the immediate surroundings of farmland. Yet the fate of P in these ecotones remains unclear. Our objectives were to (i) test the difference in the P pool composition of soil and sediment between sites surrounde...

journal_title：Journal of environmental quality

authors： Neidhardt H,Achten F,Kern S,Schwientek M,Oelmann Y

更新日期：2019-09-01 00:00:00

abstract：:Although many studies have pointed out the various controlling factors of sediment and nutrient delivery on a plot or watershed scale, little is known on the spatial variability of sediment and nutrient delivery on a regional scale. This study was conducted to reveal regional variations in sediment-associated nutrient...

journal_title：Journal of environmental quality

authors： Verstraeten G,Poesen J

更新日期：2002-05-01 00:00:00

abstract：:Antibiotic resistance analysis (ARA) was used to determine if enterococci of human origin were present in a stream (Spout Run) that passes through a rural nonsewered community (Millwood, VA). Millwood consists of 82 homes, all served by individual septic systems, and Spout Run drains a 5,800-ha karst topography waters...

journal_title：Journal of environmental quality

authors： Graves AK,Hagedorn C,Teetor A,Mahal M,Booth AM,Reneau RB Jr

更新日期：2002-07-01 00:00:00

abstract：:Phosphorus losses from agricultural soils is an important source of P in surface waters leading to surface water quality impairment. In addition to reducing P inputs, mitigation measures are needed to reduce P enrichment of surface waters. Because drainage of agricultural land by pipe drainage is an important pathway ...

journal_title：Journal of environmental quality

authors： Groenenberg JE,Chardon WJ,Koopmans GF

更新日期：2013-01-01 00:00:00

abstract：:Elevated carbon dioxide (CO2) concentrations in the atmosphere can stimulate plant growth and yield, whereas ground-level ozone (O3) concentrations cause the opposite effect in many areas of the world. Recent experiments show that elevated CO2 can protect some plants from O3 stress, but this has not been tested for mo...

journal_title：Journal of environmental quality

authors： Heagle AS,Miller JE,Pursley WA

更新日期：2003-09-01 00:00:00

abstract：:Mobility of dissolved organic matter (DOM) strongly affects the export of nitrogen (N) and phosphorus (P) from soils to surface waters. To study the sorption and mobility of dissolved organic C and P (DOC, DOP) in soil, the pH-dependent sorption of DOM to samples from Ap, EB, and Bt horizons from a Danish agricultural...

journal_title：Journal of environmental quality

authors： Gjettermann B,Styczen M,Hansen S,Borggaard OK,Hansen HC

更新日期：2007-04-05 00:00:00

abstract：:Enzyme catalyzed reactions are generally considered the rate-limiting step in organic matter degradation and may be significantly influenced by the structure and composition of plant communities. Changes in these rates have the potential to effect long-term peat accumulation and influence the topography of a wetland e...

journal_title：Journal of environmental quality

authors： Penton CR,Newman S

更新日期：2008-05-02 00:00:00

abstract：:During recent decades, a change in land use in the mountainous regions of Northern Thailand has been accompanied by an increased input of agrochemicals. We identified lateral water flow and pesticide transport pathways and mechanisms in a Hapludult on a sloped litchi orchard in Northern Thailand. During two rainy seas...

journal_title：Journal of environmental quality

authors： Kahl G,Ingwersen J,Nutniyom P,Totrakool S,Pansombat K,Thavornyutikarn P,Streck T

更新日期：2007-06-27 00:00:00

abstract：:Soil contaminated with 2,4,6-trinitrotoluene (TNT) and spiked with [14C]- and [15N3]-TNT was subjected to an anaerobic-aerobic soil slurry treatment and subsequently analyzed by radiocounting and solid-state 15N nuclear magnetic resonance (NMR) spectroscopy. This treatment led to a complete disappearance of extractabl...

journal_title：Journal of environmental quality

authors： Knicker H,Achtnich C,Lenke H

更新日期：2001-03-01 00:00:00

abstract：:The influence of zoonotic pathogens in animal manure on human health and well-being as a direct or indirect cause of human enteric illness is examined. Available international data are considered, but the study is focused on the developing situation in western Canada, where it is certain there will be further rapid gr...

journal_title：Journal of environmental quality

authors： Guan TY,Holley RA

更新日期：2003-03-01 00:00:00

abstract：:Estimation of pesticide volatilization from plants is difficult because of our poor understanding of foliar penetration by pesticides, which governs the amount of pesticide available for volatilization from the leaf surface. The description of foliar penetration is still incomplete because experimental measurements of...

journal_title：Journal of environmental quality

authors： Lichiheb N,Bedos C,Personne E,Benoit P,Bergheaud V,Fanucci O,Bouhlel J,Barriuso E

更新日期：2015-11-01 00:00:00

abstract：:A commonly used method of measuring enteric methane (CH4) emissions from ruminants is the SF6 tracer technique that measures respired and eructated CH4. However, within the animal, a small proportion of CH4 is produced post-ruminally and some of this may escape through the rectum. The comparison of emissions using a c...

journal_title：Journal of environmental quality

authors： McGinn SM,Beauchemin KA,Iwaasa AD,McAllister TA

更新日期：2006-08-09 00:00:00

abstract：:Subsurface tile drains in agricultural systems of the midwestern United States are a major contributor of nitrate-N (NO-N) loadings to hypoxic conditions in the Gulf of Mexico. Hydrologic and water quality models, such as the Soil and Water Assessment Tool, are widely used to simulate tile drainage systems. The Hoogho...

journal_title：Journal of environmental quality

authors： Moriasi DN,Gowda PH,Arnold JG,Mulla DJ,Ale S,Steiner JL,Tomer MD

更新日期：2013-11-01 00:00:00

abstract：:Copper sulfate (CuSO4) is applied periodically to commercial channel catfish (Ictalurus panctatus) ponds as an algicide or parasiticide. Current understanding of the chemistry of copper in soil-water systems suggests that copper may accumulate in pond sediments, although the forms and potential bioavailability of copp...

journal_title：Journal of environmental quality

authors： Han FX,Hargreaves JA,Kingery WL,Huggett DB,Schlenk DK

更新日期：2001-05-01 00:00:00

abstract：:When wetlands are disturbed by cattle, pulses of contaminants may be released. We studied nitrogen exports from a small pastoral wetland (1725 m) in the Lake Taupo Catchment, New Zealand, to which cattle and sheep had periodic access. Flow, turbidity, and water quality samples were collected at the wetland outlet over...

journal_title：Journal of environmental quality

authors： McKergow LA,Rutherford JC,Timpany GC

更新日期：2012-09-01 00:00:00

abstract：:Wildfire has been shown to increase the short-term (1-3 yr) mobilization of mineral N and P in forest ecosystems of the Sierra Nevada Mountains and Lake Tahoe Basin. The ensuing effects on tributary and lake water quality are uncertain. The purpose of this investigation was to assess the impacts on runoff water qualit...

journal_title：Journal of environmental quality

authors： Miller WW,Johnson DW,Gergans N,Carroll-Moore EM,Walker RF,Cody TL,Wone B

更新日期：2013-07-01 00:00:00

abstract：:Transport of phosphorus (P) from agricultural fields to water bodies deteriorates water quality and causes eutrophication. To reduce P losses and optimize P use efficiency by crops, better knowledge is needed of P turnover in soil and the efficiency of best management practices (BMPs). In this review, we examined thes...

journal_title：Journal of environmental quality

authors： Bergström L,Kirchmann H,Djodjic F,Kyllmar K,Ulén B,Liu J,Andersson H,Aronsson H,Börjesson G,Kynkäänniemi P,Svanbäck A,Villa A

更新日期：2015-03-01 00:00:00

abstract：:Soil concentrations and degradation rates of methyl isothio-cyanate (MITC), chloropicrin (CP), 1,3-dichloropropene (1,3-D), and dimethyl disulfide (DMDS) were determined under fumigant application scenarios representative of commercial raised bed, plastic mulched vegetable production systems. Five days after applicati...

journal_title：Journal of environmental quality

authors： Chellemi DO,Ajwa HA,Sullivan DA,Alessandro R,Gilreath JP,Yates SR

更新日期：2011-07-01 00:00:00

abstract：:Land use and land cover (LULC) play a central role in fate and transport of water quality (WQ) parameters in watersheds. Developing relationships between LULC and WQ parameters is essential for evaluating the quality of water resources. In this paper, we present an artificial neural network (ANN)-based methodology to ...

journal_title：Journal of environmental quality

authors： Kalin L,Isik S,Schoonover JE,Lockaby BG

更新日期：2010-07-01 00:00:00

abstract：:The rapid economic and industrial growth of China, exemplified by a 10-fold increase in its gross domestic product in the past 15 years, has lifted millions of its citizens out of poverty but has simultaneously led to severe environmental problems. The World Health Organization estimates that approximately 2.4 million...

journal_title：Journal of environmental quality

authors： Zhang M,Xu J

更新日期：2011-11-01 00:00:00

abstract：:Wetland soils are able to exhibit both consumption and production of greenhouse gases, and they play an important role in the regulation of the global carbon (C) cycle. Still, it is challenging to accurately evaluate the actual amount of C stored in wetlands. The incorporation of remote sensing data into digital soil ...

journal_title：Journal of environmental quality

authors： Kim J,Grunwald S

更新日期：2016-11-01 00:00:00

abstract：:This study examined the extent to which development and road salting has affected Connecticut's groundwater. We gathered water quality data from different time periods between 1894 and the present and analyzed the data using maps generated with ESRI ArcGIS. Historical reports illustrate a statewide baseline trend of d...

journal_title：Journal of environmental quality

authors： Cassanelli JP,Robbins GA

更新日期：2013-05-01 00:00:00

abstract：:Greater demand for corn ( L.) stover for bioenergy use may lead to increased corn production acreage with minimal surface residue cover, resulting in greater risk for soil erosion and phosphorus (P) losses in runoff. A rainfall simulation study was conducted to determine the effects of spring-applied dairy cow () manu...

journal_title：Journal of environmental quality

authors： Yagüe MR,Andraski TW,Laboski CA

更新日期：2011-11-01 00:00:00

abstract：:Two separate laboratory experiment series, surface runoff and steady-state seepage, were performed to determine if dust suppressant products can be applied to soils with an expected minimal to no negative impact on water quality. The experiments were designed to mimic arid field conditions and used two soils (clayey a...

journal_title：Journal of environmental quality

authors： Beighley RE,He Y,Valdes JR

更新日期：2009-02-06 00:00:00

abstract：:Denitrifying bioreactors are dependent on organic matter supply as a substrate for effective NO removal. In this study, the difference in removal efficiency and side effects when using different organic matter sources and dosing strategies was tested in two field experiments. The organic matter sources tested were woo...

journal_title：Journal of environmental quality

authors： Jansen S,Stuurman R,Chardon W,Ball S,Rozemeijer J,Gerritse J

更新日期：2019-03-01 00:00:00