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TEKTRAN
The ARS Manuscripts Database
Search What is TEKTRAN Browse The Latest
Ecosystem Response to Environment Change
item IMPACT OF FIRE ON RECHARGE IN SEMIARID REGIONS (Dec 2004)
item AGROCHEMICAL ENVIRONMENTAL FATE CONCEPTUAL MODELS: TOOLS FOR FOOD AND WATER SAFETY RISK MANAGERS (Nov 2004)
item MAIZE YIELD POTENTIAL: CRITICAL PROCESSES AND SIMULATION MODELING IN A HIGH-YIELDING ENVIRONMENT (Oct 2004)
item ECOLOGICAL SYNDROMES OF INVASION IN SEMIARID RANGELANDS AND THEIR IMPLICATIONS FOR LAND MANAGEMENT AND RESTORATION (Jul 2004)
item CONTAMINANT EXPOSURE AND REPRODUCTIVE SUCCESS OF OSPREYS (PANDION HALIAETUS) NESTING IN CHESAPEAKE BAY REGIONS OF CONCERN (Jul 2004)
item RATE OF SOIL CARBON LOSS RESULTING FROM TILLAGE (Jul 2004)
item RATE OF SOIL CARBON LOSS RESULTING FROM TILLAGE (Jul 2004)
item CRITICAL AREAS IN RIPARIAN BUFFERS: IMPROVING CONTAMINANT REMEDIATION FUNCTION BY IDENTIFYING ZONES WITH LIMITED MITIGATION CAPACITY (Jun 2004)
item IMPROVING RIPARIAN ZONE FUNCTION BY IDENTIFYING CRITICAL AREAS WITH LIMITED MITIGATION CAPACITY (Jun 2004)
item DEVELOPMENT AND UTILITY OF HUFF CURVES FOR DISAGGREGATING PRECIPITATION AMOUNTS (May 2004)
item MODELING LEAF AND CANOPY GAS EXCHANGE PROCESSES OF CORN (Apr 2004)
item ELEVATED C02 CONCENTRATION ALLEVIATED WATER STRESS IN CORN (ZEA MAYS L.) CROP (Apr 2004)
item SPATIAL VARIABILITY IN LANDSCAPE-SCALE AGRICULTURAL EXPERIMENTATION (Apr 2004)
item SPATIAL AND TEMPORAL VARIABILITY OF AGRICULTURAL CHEMICALS AT FIELD AND WATERSHED SCALES (Apr 2004)
item NATIONAL NEEDS, REGIONAL SOLUTIONS: THE DEVELOPMENT OF SITE-SPECIFIC ASSESSMENTS OF PESTICIDES IN WATER RESOURCES (Apr 2004)
item DOCUMENTING THE SCIENCE OF THE PESTICIDE PROCESSES MODULE OF THE USDA-ARS RZWQM MODEL (Mar 2004)
item A PROPOSED CONVENTION FOR REPRESENTING ACID-BASE BEHAVIOR OF PESTICIDES IN PESTICIDE PROPERTY DATABASES DESIGNED FOR SIMULATION MODELING (Mar 2004)
item ON THE RELATIONSHIP BETWEEN SORPTION AND DEGRADATION OF MOLECULES IN SOILS, AND THE WALKER MOISTURE EXPONENT (Mar 2004)
item TEST OF THE ROOT ZONE WATER QUALITY MODEL (RZWQM) FOR PREDICTING RUNOFF OF ATRAZINE, ALACHLOR AND FENAMIPHOS SPECIES FROM CONVENTIONAL-TILLAGE CORN MESOPLOTS (Mar 2004)
item TEBUCONAZOLE DISSIPATION AND METABOLISM IN TIFTON LOAMY SAND DURING LABORATORY INCUBATION (Mar 2004)
item MIGRATION OF NONLYPHENOL FROM PLASTIC CONTAINERS TO WATER AND A MILK SURROGATE (Mar 2004)
item A SWAT/MICROBIAL SUB-MODEL FOR PREDICTING PATHOGEN LOADINGS IN SURFACE AND GROUNDWATER AT WATERSHED AND BASIN SCALES (Mar 2004)
item AN ECONOMIC ANALYSIS OF CLIMATE CHANGE ON COTTON PRODUCTION ACROSS THE U.S. COTTON BELT (Jan 2004)
item EFFECTS OF SOIL MOISTURE AND SURROUNDING VEGETATION ON SAGEBRUSH SEEDLING ESTABLISHMENT FOLLOWING FIRES (Jan 2004)
item SOIL MOISTURE PATTERNS AND RELATED CHANGES IN VEGETATION FOLLOWING FIRE IN SAGE-STEPPE (Jan 2004)
item MODELING RILL EROSION FOLLOWING FIRE ON STEEP SAGEBRUSH RANGELAND (Jan 2004)
item SPATIAL AND TEMPORAL DYNAMICS OF RILL EROSION FOLLOWING WILDFIRE ON SAGEBRUSH RANGELAND (Jan 2004)
item THE WEPP/SPUR RANGELAND HYDROLOGY MODEL: A TOOL FOR DEVELOPING ECOLOGICAL SITE DESCRIPTION (Jan 2004)
item SYMPOSIUM WRAPUP: FROM QUANTITATIVE TO QUANTITATIVE PREDICTION MODELING - HOW TO MOVE FORWARD? (Jan 2004)
item ATRAZINE DISTRIBUTION MEASURED IN SOIL AND LEACHATE FOLLOWING INFILTRATION CONDITIONS (Jan 2004)
item COMPONENTS AND CONTROLS OF WATER FLUX IN AN OLD GROWTH DOUGLAS FIR/WESTERN HEMLOCK ECOSYSTEM (Jan 2004)
item FATE OF HERBICIDES IN THE RIPARIAN BUFFER ZONE OF A SMALL FIRST-ORDER AGRICULTURAL WATERSHED (Dec 2003)
item WHEAT SCOUT: DECISION AID FOR INTEGRATED MANAGEMENT OF GRASS WEEDS IN SPRING WHEAT (Dec 2003)
item AUTOMATED STORM WATER SAMPLING ON SMALL WATERHSEDS (Nov 2003)
item DISTRIBUTION AND APPLICATION OF RESEARCH WATERSHED DATA (Nov 2003)
item MEASURED AND PREDICTED SOLAR TRANSMISSION THROUGH CONIFER CANOPIES (Nov 2003)
item MICROCLIMATIC CONSTRAINTS AND REVEGETATION PLANNING IN A VARIABLE ENVIRONMENT (Nov 2003)
item SPATIAL AND TEMPORAL VARIABILITY OF AGRICULTURAL CHEMICALS AT FIELD AND WATERSHED SCALES (Nov 2003)
item CHARACTERIZATION OF SUBSURFACE FLOW REGIME WITH HYDRUS-2D SIMULATIONS (Nov 2003)
item REDUCTION OF NITRATE LEACHING IN PASTURES - GRAZING VS HAYING (Oct 2003)
item REGULATION OF PESTICIDE USES FOR MINOR CROPS: A COOPERATIVE GLOBAL APPROACH (Oct 2003)
item ALKYLPHENOL ETHOXYLATES AND DEGRADATES IN NATURAL WATERS (Oct 2003)
item IMPACTS OF FIRE ON HYDROLOGY AND EROSION IN STEEP MOUNTAIN BIG SAGEBRUSH COMMUNITIES (Oct 2003)
item EVALUATING DIFFERENT NDVI COMPOSITE TECHNIQUES USING NOAA-14 AVHRR DATA (Sep 2003)
item FIELD TEST OF THE ROOT ZONE QUALITY MODEL (RZWQM) FOR RUNOFF AND LEACHING OF FENAMIPHOS AND ITS OXIDATION PRODUCTS IN A COASTAL PLAIN FIELD (Sep 2003)
item EVALUATION OF REMOTE SENSING TO IDENTIFY VARIABILITY IN COTTON PLANT GROWTH AND CORRELATION WITH LARVAL DENSITIES OF BEET ARMYWORM AND CABBAGE LOOPER (LEPIDOPTERA: NOCTUIDAE) (Sep 2003)
item FIELD OBSERVATIONS OF THE CONTRIBUTIONS OF ALKYL PHENOLS ON FISH ENDOCRINE DISRUPTION (Aug 2003)
item APPLICABILITY OF PHILIP'S THREE-PARAMETER TYPE INFILTRATION EQUATION IN LAYERED SOILS (Jul 2003)
item AUTOMATED SPATIAL ALLOCATION OF BMPS FOR WATERSHED-SCALE NITROGEN MANAGEMENT (Jul 2003)
item MIGRATION OF NONYLPHENOL, AN ENDOCRINE DISRUPTER, FROM PLASTIC CONTAINERS TO DRINKING WATER (Jul 2003)
item APPLICATION OF SWAT MODEL TO THE PIEDMONT PHYSIOGRAPHIC REGION OF MARYLAND (Jul 2003)
item ALKYLPHENOLS, ALKYLPHENOLETHOXYLATES AND THEIR METABOLITES (APES) AS POTENTIAL GREAT LAKES, TRIBUTARIES, AND EFFLUENT DOMINATED STREAM ENDOCRINE DISRUPTERS (Jun 2003)
item SPATIAL AND TEMPORAL VARIABILITY OF AGRICULTURAL CHEMICALS AT FIELD AND WATERSHED SCALES (Jun 2003)
item EFFECT OF RESTRICTED ACCESS HIGH DENSITY SHEEP GRAZING REGIMEN ON LEAFY SPURGE (Jun 2003)
item INTERLABORATORY COMPARISON OF EXTRACTION EFFICIENCY OF PESTICIDES FROM SURFACE AND LABORATORY WATER USING SOLID-PHASE EXTRACTION DISKS (May 2003)
item HYDROTHERMAL GERMINATION RESPONSE AND THE DEVELOPMENT OF PROBABILISTIC GERMINATION PROFILES (May 2003)
item INCORPORATION OF REMOTE SENSING DATA IN AN UPSCALED SOIL WATER MODEL (Jan 2003)
item ERODIBILITY OF URBAN BEDROCK AND ALLUVIAL CHANNELS, NORTH TEXAS (Oct 2002)
item SIMULATING WIND FIELDS AND SNOW REDISTRIBUTION USING TERRAIN-BASED PARAMETERS TO MODEL SNOW ACCUMULATION AND MELT OVER A SEMI-ARID MOUNTAIN CATCHMENT (Aug 2002)
item FREUNDLICH ISOTHERM: SOME LIMITATIONS IN ITS USE FOR PESTICIDE ENVIRONMENTAL FATE MODELING (Aug 2002)
item SIMULATION OF TERRAIN AND FOREST SHELTER EFFECTS ON PATTERNS OF SNOW DEPOSITION, SNOWMELT AND RUNOFF OVER A SEMI-ARID MOUNTAIN CATCHMENT (Aug 2002)
item DECREASING THE ENVIRONMENTAL IMPACTS OF PRODUCTION PRACTICES THAT USE PLASTIC MULCH (Aug 2002)
item INTEGRATION OF WATERSHED TOOLS AND SWAT MODEL INTO BASINS (Aug 2002)
item CONSEQUENCES OF TWO YEARS OF SHEEP GRAZING ON SPOTTED KNAPWEED (CENTAURA MACULOSA) INFESTED PASTURES IN THE SAGEBRUSH STEPPE (Aug 2002)
item TILLAGE EFFECTS ON INTERRILL ERODIBILITY OF TWO ALABAMA SOILS (Jun 2002)
item USING HYDROLOGIC AND WATER QUALITY MODELS BEYOND THEIR BOUNDARIES (Jun 2002)
item INTERLABORATORY COMPARISON OF PESTICIDE RECOVERY FROM WATER USING SOLID-PHASE EXTRACTION DISKS (Jun 2002)
item SPATIAL DECISION SUPPORT FOR BIO-CONTROL (Mar 2002)
item A REVIEW ON THE DEVELOPMENT OF CROP MODELING AND ITS APPLICATION (Mar 2002)
item DEVELOPMENT OF A SNOWFALL--SNOWMELT ROUTINE FOR MOUNTAINOUS TERRAIN FOR THE SOIL WATER ASSESSMENT TOOL (SWAT) (Feb 2002)
item APPLICATIONS OF GROUND-PENETRATING RADAR IN THE SOUTHEASTERN U.S. - AN OVERVIEW (Jan 1992)
   
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