UID:
almahu_9949387863002882
Umfang:
XXIV, 156 p. 60 illus., 56 illus. in color.
,
online resource.
Ausgabe:
1st ed. 2022.
ISBN:
9783031149375
Inhalt:
Estimating evapotranspiration (ET) has been one of the most critical research areas in agriculture because of water scarcity, the growing population, and climate change. The accurate estimation and mapping of ET are necessary for crop water management. Traditionally, researchers use water balance, soil moisture, weighing lysimeters, or an energy balance approach, such as Bowen ratio or eddy covariance towers to estimate ET. However, these ET methods are point-specific or area-weighted measurements and cannot be extended to a large scale. On the other hand, while remote sensing is able to provide spatially distributed measurements, the spatial resolution of multispectral satellite images is often not enough for crops with clumped canopy structures, such as trees and vines. Unmanned aerial vehicles (UAVs) can mitigate these spatial and temporal limitations. Lightweight cameras and sensors can be mounted on the UAVs and take high-resolution images. Unlike satellite imagery, the spatial resolution of the UAV images can be at the centimeter-level. UAVs can also fly on-demand, which provides high temporal imagery. This book examines the different UAV-based approaches of ET estimation. Models and algorithms, such as mapping evapotranspiration at high resolution with internalized calibration (METRIC), the two-source energy balance (TSEB) model, and machine learning (ML) are discussed. It also covers the challenges and opportunities for UAVs in ET estimation, with the final chapters devoted to new ET estimation methods and their potential applications for future research.
Anmerkung:
Chapter 1: Introduction -- Chapter 2: ET Estimation Methods with UAVs: A Comprehensive Review -- Chapter 3: Existing ET Estimation Methods with UAVs: Results and Discussions -- Chapter 4: Estimating Actual Crop Evapotranspiration Using Deep Stochastic Configuration Networks Model and UAV-based Crop Coefficients in A Pomegranate Orchard -- Chapter 5: Reliable Tree-level Evapotranspiration Estimation of Pomegranate Trees Using Lysimeter and UAV Multispectral Imagery -- Chapter 6: Tree-level Water Status Inference Using UAV Thermal Imagery and Machine Learning -- Chapter 7: Conclusion and Future Research.
In:
Springer Nature eBook
Weitere Ausg.:
Printed edition: ISBN 9783031149368
Weitere Ausg.:
Printed edition: ISBN 9783031149382
Weitere Ausg.:
Printed edition: ISBN 9783031149399
Sprache:
Englisch
DOI:
10.1007/978-3-031-14937-5
URL:
https://doi.org/10.1007/978-3-031-14937-5
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