Validation of Sensor-Directed Spatial Simulated Annealing Soil Sampling Strategy.

abstract：:An 8-yr field-scale study, 2005 to 2012, investigated effects of agricultural land use on nutrient and sediment losses during snowmelt runoff from four treatment fields in southern Manitoba. In 2005, two fields with a long-term history of annual crop (AC) production were planted to perennial forage (PF), while two oth...

journal_title：Journal of environmental quality

authors： Liu K,Elliott JA,Lobb DA,Flaten DN,Yarotski J

更新日期：2014-09-01 00:00:00

abstract：:Pesticides are responsible for nearly 1900 water quality impairments in the United States. Impacts of pesticide runoff on aquatic ecosystems can be mitigated by implementing management practices such as constructed wetlands, grass buffers, and vegetated ditches. A new practice currently being examined is the use of ri...

journal_title：Journal of environmental quality

authors： Moore MT,Locke MA,Cullum RF

更新日期：2018-11-01 00:00:00

abstract：:Erythromycin has been widely used in food-producing animals and in humans, and is frequently detected as an organic pollutant in U.S. streams. In batch experiments with homoionic clays, the Freundlich isotherms were determined at 10 and 25 degrees C. The adsorption of erythromycin A was strongly influenced by clay typ...

journal_title：Journal of environmental quality

authors： Kim YH,Heinze TM,Kim SJ,Cerniglia CE

更新日期：2004-01-01 00:00:00

abstract：:Soils support ecosystem functions such as plant growth and water quality because of certain physical, chemical, and biological properties. These properties have been studied at different spatial scales, including point scales to satisfy basic research needs, and regional scales to satisfy monitoring needs. Recently, s...

journal_title：Journal of environmental quality

authors： Shirazi MA,Boersma L,Haggerty PK,Johnson CB

更新日期：2001-01-01 00:00:00

abstract：:In their natural state, river floodplains are heterogeneous and dynamic ecosystems that may retain and remove large quantities of nitrogen from surface waters. We compared the soil nitrogen dynamics in different types of habitat patches in a restored and a channelized section of a Thur River floodplain (northeast Swit...

journal_title：Journal of environmental quality

authors： Shrestha J,Niklaus PA,Frossard E,Samaritani E,Huber B,Barnard RL,Schleppi P,Tockner K,Luster J

更新日期：2012-11-01 00:00:00

abstract：:There is increasing concern about the environmental fate and impact of biosolids-associated anthropogenic organic chemicals, among which 4-nonylphenol (4-NP) is one of the most studied chemicals. This is primarily because 4-NP is an endocrine disruptor and has been frequently detected in environmental samples. Due to ...

journal_title：Journal of environmental quality

authors： Xia K,Jeong CY

更新日期：2004-07-01 00:00:00

abstract：:Water resources protection from nitrate nitrogen (NO3-N) contamination is an important public concern and a major national environmental issue. The abilities of the SOIL-SOILN model to simulate water drainage and nitrate N fluxes from orchardgrass (Dactylis glomerata L.) were evaluated using data from a 3-yr field exp...

journal_title：Journal of environmental quality

authors： Jabro JD,Stout WL,Fales SL,Fox RH

更新日期：2001-03-01 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：:Water quality in streams is dependent on landscape metrics at catchment and wetland scales. A study was undertaken to evaluate the correlation between landscape metrics, namely patch density and area, shape, heterogeneity, aggregation, connectivity, land-use ratio, and water quality variables (salinity, nutrients, sed...

journal_title：Journal of environmental quality

authors： Moreno-Mateos D,Mander U,Comín FA,Pedrocchi C,Uuemaa E

更新日期：2008-10-23 00:00:00

abstract：:From 1974 to 1984, 543 Mg ha(-1) of biosolids were applied to portions of a land-reclamation site in Fulton County, IL. Soil organic C increased to 5.1% then decreased significantly (p < 0.01) to 3.8% following cessation of biosolids applications (1985-1997). Metal concentrations in amended soils (1995-1997) were not ...

journal_title：Journal of environmental quality

authors： Granato TC,Pietz RI,Knafl GJ,Carlson CR Jr,Tata P,Lue-Hing C

更新日期：2004-11-01 00:00:00

abstract：:Urban landscapes contain a mix of land-use types with different patterns of nitrogen (N) cycling and export. We measured nitrate (NO(3)(-)) leaching and soil:atmosphere nitrous oxide (N(2)O) flux in four urban grassland and eight forested long-term study plots in the Baltimore, Maryland metropolitan area. We evaluated...

journal_title：Journal of environmental quality

authors： Groffman PM,Williams CO,Pouyat RV,Band LE,Yesilonis ID

更新日期：2009-07-23 00:00:00

abstract：:Research has shown that alum [Al(2)(SO(4))(3).14H(2)O] applications to poultry litter can greatly reduce phosphorus (P) runoff, as well as decrease ammonia (NH(3)) volatilization. However, the long-term effects of fertilizing with alum-treated litter are unknown. The objectives of this study were to evaluate the long-...

journal_title：Journal of environmental quality

authors： Moore PA Jr,Edwards DR

更新日期：2005-11-07 00:00:00

abstract：:The short life span of many street trees in the Montreal downtown area may be due in part to higher than standard concentrations of trace metals in the tree pit soils. The effects of land use, soil organic matter, and time since tree planting in a given tree pit (soil age) were studied with respect to the total concen...

journal_title：Journal of environmental quality

authors： Kargar M,Jutras P,Clark OG,Hendershot WH,Prasher SO

更新日期：2013-09-01 00:00:00

abstract：:Nitrogen (N) availability affects plant biomass yield and, hence, phytoextraction of contaminants during phytoremediation of end-of-life municipal lagoons. End-of-life lagoons are characterized by fluctuating moisture conditions, but the effects on biosolid N dynamics have not been adequately characterized. This 130-d...

journal_title：Journal of environmental quality

authors： Jeke NN,Zvomuya F,Ross L

更新日期：2015-11-01 00:00:00

abstract：:The effectiveness of various management practices to reduce phosphorus (P) loss from soil to water can potentially be improved by using by-product materials that have the capacity to sorb phosphorus. This study evaluated the P sorption and desorption potential, and the physicochemical characteristics of various phosph...

journal_title：Journal of environmental quality

authors： Leader JW,Dunne EJ,Reddy KR

更新日期：2008-01-04 00:00:00

abstract：:This paper reviews trace metal dynamics in floodplain soils using the Elbe floodplains in Germany as an example of extraordinary importance because of the pollution level of its sediments and soils. Trace metal dynamics are determined by processes of retention and release, which are influenced by a number of soil prop...

journal_title：Journal of environmental quality

authors： Schulz-Zunkel C,Krueger F

更新日期：2009-05-20 00:00:00

abstract：:Lake Allatoona is a large reservoir north of Atlanta, GA, that drains an area of about 2870 km2 scheduled for a phosphorus (P) total maximum daily load (TMDL). The Soil and Water Assessment Tool (SWAT) model has been widely used for watershed-scale modeling of P, but there is little guidance on how to estimate P-relat...

journal_title：Journal of environmental quality

authors： Radcliffe DE,Lin Z,Risse LM,Romeis JJ,Jackson CR

更新日期：2009-01-13 00:00:00

abstract：:Whole-cell bacterial biosensors (bioreporters) are commonly applied for determination of metal toxicity and bioavailability in environmental samples. This is accomplished using a standard procedure whereby the sample is mixed with bioreporter cells suspended in a buffered medium at a fixed pH (set-point pH assay). Thi...

journal_title：Journal of environmental quality

authors： Hansen MG,Marcussen H,Holm PE,Brandt KK

更新日期：2019-01-01 00:00:00

abstract：:Field-scale relationships between soil test phosphorus (STP) and flow-weighted mean concentrations (FWMCs) of dissolved reactive phosphorus (DRP) and total phosphorus (TP) in runoff are essential for modeling phosphorus losses, but are lacking. The objectives of this study were (i) to determine the relationships betwe...

journal_title：Journal of environmental quality

authors： Little JL,Nolan SC,Casson JP,Olson BM

更新日期：2007-07-17 00:00:00

abstract：:The objectives of this study were to determine the effect of bedding material (corn stover, soybean stover, wheat straw, switchgrass, wood chips, wood shavings, corn cobs, and shredded paper) on concentration of odorous volatile organic compounds (VOC) in bedded pack material and to determine the effect of bedding mat...

journal_title：Journal of environmental quality

authors： Spiehs MJ,Brown-Brandl TM,Parker DB,Miller DN,Berry ED,Wells JE

更新日期：2013-01-01 00:00:00

abstract：:Calcium superphosphate and apple ( Mill.) waste can be used for controlling N loss and improving compost quality during composting, whereas integrated addition of the two additives on composting process remains unexplored. Therefore, this study was conducted to investigate the effects of combined use of calcium superp...

journal_title：Journal of environmental quality

authors： Jiang J,Kang K,Zhang C,Yan G,Lv J,Li Y

更新日期：2019-09-01 00:00:00

abstract：:Very little has been reported on the effects of pH, Zn, and Mn on Cd uptake in rice ( L.) and their levels under field conditions. Rice accumulates a high concentration of Cd in acid soils, even at low soil Cd levels. Lime (CaO) was spread at 1200 kg ha on the topsoil of a rice field during the tillering stage. Effect...

journal_title：Journal of environmental quality

authors： Wang M,Yang Y,Chen W

更新日期：2018-03-01 00:00:00

abstract：:Agricultural P losses are a global economic and water quality concern. Much of the current understanding of P dynamics in agricultural systems has been obtained from rainfall-driven runoff, and less is known about cold-season processes. An improved understanding of the magnitude, form, and transport flow paths of P lo...

journal_title：Journal of environmental quality

authors： Plach J,Pluer W,Macrae M,Kompanizare M,McKague K,Carlow R,Brunke R

更新日期：2019-07-01 00:00:00

abstract：:A procedure involving alkaline extraction and solution 31P nuclear magnetic resonance (NMR) spectroscopy was developed and optimized for the characterization of P in animal manures (broiler, swine, beef cattle). Inclusion of ethylenediaminetetraacetic acid (EDTA) in the alkaline extraction solution recovered between 8...

journal_title：Journal of environmental quality

authors： Turner BL

更新日期：2004-03-01 00:00:00

abstract：:There is growing interest in the role that urban forests can play as urban microclimate modifiers. Tree shade and evapotranspiration affect energy fluxes and mitigate microclimate conditions, with beneficial effects on human health and outdoor comfort. The aim of this study was to investigate surface temperature () va...

journal_title：Journal of environmental quality

authors： Napoli M,Massetti L,Brandani G,Petralli M,Orlandini S

更新日期：2016-01-01 00:00:00

abstract：:Poultry litter (PL) is a by-product of broiler production. Most PL is land applied. Land-applied PL is a valuable nutrient source for crop production but can also be a route of environmental contamination with manure-borne bacteria. The objective of this study was to characterize the fate of pathogens, fecal indicator...

journal_title：Journal of environmental quality

authors： Cook KL,Netthisinghe AM,Gilfillen RA

更新日期：2014-09-01 00:00:00

abstract：:We investigated the seasonal patterns of denitrification rates and potentials in soil profiles along the topohydrosequence formed at the upland-wetland interface in three riparian wetlands with different vegetation cover (i.e., forest, understory vegetation, and grass). Denitrification was measured using the acetylene...

journal_title：Journal of environmental quality

authors： Clément JC,Pinay G,Marmonier P

更新日期：2002-05-01 00:00:00

abstract：:This study investigated the ability of a 10-yr-old constructed wetland to treat metal-contaminated leachate emanating from a coal ash pile at the Widows Creek electric utility, Alabama (USA). The two vegetated cells, which were dominated by cattail (Typha latifolia L.) and soft rush (Juncus effusus L.), were very effe...

journal_title：Journal of environmental quality

authors： Ye ZH,Whiting SN,Qian JH,Lytle CM,Lin ZQ,Terry N

更新日期：2001-09-01 00:00:00

abstract：:There are few beneficial management practices (BMPs) with demonstrated efficacy in snowmelt-dominated regions. Small reservoirs are a BMP that can help mitigate flooding and reduce sediment transport, while reducing export of dissolved nutrients. To understand controls on nitrate removal and assess how this ecosystem ...

journal_title：Journal of environmental quality

authors： Gooding RM,Baulch HM

更新日期：2017-01-01 00:00:00

abstract：:Acidification of mine wastes can lead to a series of environmental problems, such as acid drainage, heavy metal mobilization, and ecosystem degradation. Prediction of acid-forming potential is one of the key steps in management of sulfide-bearing mine wastes. In this paper, the acid-forming potential of 180 mine waste...

journal_title：Journal of environmental quality

authors： Liao B,Huang LN,Ye ZH,Lan CY,Shu WS

更新日期：2007-05-07 00:00:00