Results 71 to 80 of about 2,316 (222)

WANet: A Wavelet-Attention Network for Accurate Ditch Extraction in Remote Sensing Imagery

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Ditches are important for the irrigation, drainage, and water resource regulation of agriculture. However, their narrow, linear, and fragmented morphologies pose significant challenges for remote sensing extraction.
Yanfeng Zhang   +6 more
doaj   +1 more source

Cleaning irrigation ditch

open access: yes, 2006
An unidentified man cleaning out an irrigation ...
John Collier, Jr.
core  

Concentration and Environmental Loading of Veterinary Antibiotics in Agricultural Irrigation Ditches

open access: yesKorean Journal of Soil Science and Fertilizer, 2012
The concentration of veterinary antibiotics in aqueous and sediment matrices was measured in agricultural irrigation ditches bordering several animal-feeding operations (AFOs) and then compared to its concentration in the watershed. Analytical determination in aqueous samples was based on solid phase extraction (SPE) and appropriate buffer solutions ...
Sung-Chul Kim   +7 more
openaire   +2 more sources

Settlers Irrigation Ditch

open access: yes, 1941
Photograph of the Settlers Irrigation Ditch. 13.5 feet cut in realignment of Settlers Ditch. Through Oklahoma State School Land. This is portion of main irrigation ditch that will carry water from a diversion dam across the Cimarron ...
Jenkins, E. W., Jenkins, Elvin W.
core  

Missions Irrigation Ditch

open access: yes, 2022
Missions Irrigation Ditch for the mission in San Antonio built in the 1700's with two people near a large ...

core  

Irrigation Ditch

open access: yes, 1913
The irrigation ditch with the Superintendent's lawn in the left background.
Agriculture and Agri-Food Canada
core  

Irrigation Ditch Assessment

open access: yes, 1955
Photograph of checking on irrigation ditch shows sets too high; ditch is cutting, aprons too ...
Murray, Hubert J.
core  

Assessment of the nutrient pollution in some agricultural drainage ditch–pond systems with the QUAL2K: Model calibration and validation with field data

open access: yesAin Shams Engineering Journal
Agricultural drainage systems play a dual role, sustaining irrigation while exporting nutrients to downstream waters. In small-scale regions, ditch–pond networks are especially important, as they drive nitrogen and phosphorus losses that intensify ...
Alhasan Ahmed Aljawzi   +2 more
doaj   +1 more source

Irrigation ditch, New Mexico

open access: yes, 1890
Landscape labeled "Irrigation ditch, New Mexico" showing irrigation ditch, water flowing through the open gate, and fenced fields on either side; printing-out paper on Cobbs studio mount card (cracked, some damage to ...
Albright, Emma L.; Cobb, Eddie Ross; Cobb, William Henry; Howard, M.B.; New Studio (Albuquerque) -- 1880-1900
core  

El sistema de abastecimiento hidráulico de la Almunia de los Alijares. Estado de la cuestión

open access: yesEn la España Medieval, 2007
The extraction of gold deposits from the Hill of the Sun (Cerro del Sol) using hydraulic mining techniques could go back to the end of the 2nd century B.C.
Luis José García Pulido
doaj  

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