2021
DOI: 10.52939/ijg.v17i1.1699
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Crop Water Condition Mapping by Optical Remote Sensing

Abstract: Crop water stress monitoring represents a fundamental step in agricultural production. In order to increase water savings and enhance agricultural sustainability, implementation of suitable irrigation scheduling methods is essential, and requires early detection of water stress in crops, before it causes irreversible damage and yield loss. There are different methods to measure water stress, some of them are based on soil moisture measurements while others are based on calculations of vegetation indices, evapo… Show more

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Cited by 6 publications
(7 citation statements)
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“…The consequence of this is a decrease in biological diversity, climate change, and water problems. The consequence of environmental degradation is every fourth death in the world, which means 12.6 million people a year [7][8][9].…”
Section: Discussionmentioning
confidence: 99%
“…The consequence of this is a decrease in biological diversity, climate change, and water problems. The consequence of environmental degradation is every fourth death in the world, which means 12.6 million people a year [7][8][9].…”
Section: Discussionmentioning
confidence: 99%
“…In addition, the program has a set of tools for working with raster data, which allows you to process RS data (space images), and perform analytical work using analytical functions. The full capabilities of ArcGIS include the ability to convert spatial raster data from one projection to another, transform images and link coordinates, and export from raster format to vector format [20][21].…”
Section: Methodsmentioning
confidence: 99%
“…Because these errors can limit a person's ability to process, interpret, and analyse images. Recent scientific studies have argued that controlled classification algorithms show better results [13,20]. Controlled classification algorithms, in particular the Maximum Similarity Algorithm (MLC), Random Forest Algorithm (Random Forest), Base Vector Method (SVM), and Artificial Neutral Networks (ANN) algorithms create unique classification capabilities [13].…”
Section: Introductionmentioning
confidence: 99%
“…The OPTRAM model was mainly used to estimate soil moisture and has been used in various climatic conditions (e.g., United States [30,44], Italy [32], China [45], Hungary [46], Iran [47], Ethiopia [48], etc.). OPTRAM has also been used successfully in other applications, i.e., for estimating actual evapotranspiration [49], for water table depth monitoring in bogs [50], or for estimation of dust emission probability in the lake basin [51].…”
Section: Optram Model Applicationmentioning
confidence: 99%
“…As we can see in Figure 8, the presence of plants masks the actual soil moisture; therefore, the best SSM estimation results are obtained with low NDVI index values (see Figure 10). The OPTRAM model requires the determination and fit of wet and dry edges of the model, which is most often conducted arbitrarily through visual inspection [30,32,46], which could affect accuracy.…”
Section: Optram Model Applicationmentioning
confidence: 99%