HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Related articles in JEQ Similar articles in this journal Similar articles in ISI Web of Science Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (15) Citing Articles via Google Scholar Google Scholar Articles by Fox, G. A. Articles by Rojas, K. Search for Related Content PubMed PubMed Citation Articles by Fox, G. A. Articles by Rojas, K. GeoRef GeoRef Citation Agricola Articles by Fox, G. A. Articles by Rojas, K. Related Collections Agricultural Pesticides Hydraulic Conductivity/Relative Permeability Pesticides Root Growth/Water Uptake Models Vadose Zone Processes and Chemical Transport

Interrelationship of Macropores and Subsurface Drainage for Conservative Tracer and Pesticide Transport

^a Dep. of Civil Eng., Univ. of Mississippi, 208 Carrier Hall, P.O. Box 1848, University, MS 38677-1848
^b USDA-ARS, National Soil Tilth Lab., 2150 Pammel Dr., Ames, IA 50011-4420
^c Bayer CropScience Res. Park, 17745 S. Metcalf Ave., Stilwell, KS 66085
^d USDA-ARS, 2150 Centre Ave., Building D, Suite 200, Ft. Collins, CO 80526

View larger version (52K): [in a new window]   Fig. 1. Location and depiction of bromide (Br) and pesticide transport field experiment in Allen County, Indiana.

View larger version (31K): [in a new window]   Fig. 2. Daily rainfall and time series comparison of observed vs. predicted water flow from the subsurface drains using default Root Zone Water Quality Model (RZWQM) soil parameters (no calibration) and calibrated conductivity and Brooks-Corey parameters (calibrated).

View larger version (36K): [in a new window]   Fig. 3. Observed vs. Root Zone Water Quality Model (RZWQM) predicted bromide (Br) concentrations in the subsurface drains with the express fraction (EF) modification (RZWQM with EF) and without the express fraction (EF) modification (RZWQM without EF).

View larger version (26K): [in a new window]   Fig. 4. Observed vs. Root Zone Water Quality Model (RZWQM) predicted isoxaflutole (ISO) concentrations in the subsurface drains with the express fraction (EF) modification (RZWQM with EF) and without the express fraction (EF) modification (RZWQM without EF).

View larger version (26K): [in a new window]   Fig. 5. Observed vs. Root Zone Water Quality Model (RZWQM) predicted bromide (Br) soil concentrations in the soil profile at depths (a) 0 to 15 cm, (b) 15 to 30 cm, (c) 30 to 43 cm, and (d) 43 to 65 cm.