Results 21 to 30 of about 16,599 (162)

Comparison of SARIMA and SARIMAX for Long-Term Drought Prediction [PDF]

open access: yesمدیریت بیابان, 2022
Long-term drought prediction is of considerable importance in water resources management. Time series models are appropriate tools to predict climatic events.
Zohreh Arjmandi Harat   +1 more
doaj   +1 more source

Deriving potential evapotranspiration from satellite-based reference evapotranspiration, Upper Tekeze Basin, Northern Ethiopia

open access: yesJournal of Hydrology: Regional Studies, 2022
Study region: Zamra catchment, Upper Tekeze Basin, Northern Ethiopia. Study focus: Direct field estimates of potential evapotranspiration (PET) remain a challenge, because they are expensive and have limited spatial representativeness.
Mewcha Amha Gebremedhin   +3 more
doaj   +1 more source

Modeling potential evapotranspiration based on energy balance

open access: yesShui kexue jinzhan, 2022
To investigate a more accurate method for potential evapotranspiration estimation under climate change, three sets of experiments were conducted using small lysimeters at Wudaogou experimental station on the Huaibei Plain (China), and a new model of ...
Qin JU   +6 more
doaj   +1 more source

Determinants of the ratio of actual to potential evapotranspiration [PDF]

open access: yesGlobal Change Biology, 2019
AbstractA widely used approach for estimating actual evapotranspiration (AET) in hydrological and earth system models is to constrain potential evapotranspiration (PET) with a single empirical stress factor (Ω = AET/PET). Ω represents the water availability and is fundamentally linked to canopy–atmosphere coupling.
Liqing Peng   +5 more
openaire   +3 more sources

A MODEL FOR ESTIMATING ACTUAL EVAPOTRANSPIRATION FROM POTENTIAL EVAPOTRANSPIRATION [PDF]

open access: yesHydrology Research, 1975
A model for calculating the daily actual evapotranspiration based on the potential one is presented. The potential evapotranspiration is reduced according to vegetation density, water content in the root zone, and the rainfall distribution. The model is tested by comparing measured (EAm) and calculated (EAc) evapotranspirations from barley, fodder ...
S. E. JENSEN, K. J. KRISTENSEN
openaire   +1 more source

ECOSTRESS and CIMIS: A Comparison of Potential and Reference Evapotranspiration in Riverside County, California

open access: yesRemote Sensing, 2020
The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) provides remotely-sensed estimates of evapotranspiration at 70 m spatial resolution every 1–5 days, sampling across the diurnal cycle.
Gurjot Kohli   +8 more
doaj   +1 more source

Potential groundwater contribution to Amazon evapotranspiration [PDF]

open access: yesHydrology and Earth System Sciences, 2010
Climate and land ecosystem models simulate a dry-season vegetation stress in the Amazon forest, but observations do not support these results, indicating adequate water supply.
Y. Fan, G. Miguez-Macho
doaj   +1 more source

Spatiotemporal Changes of sc-PDSI and Its Dynamic Drivers in Yellow River Basin

open access: yesAtmosphere, 2022
Droughts in the Yellow River Basin (YRB), a typical large river in arid to semiarid regions, have been studied extensively. However, the details of the dynamic drivers of meteorological droughts, such as precipitation (P), reference evapotranspiration ...
Wen Liu, Yuqing Zhang
doaj   +1 more source

Effect of projected climate change on potential evapotranspiration in the semiarid region of central India

open access: yesJournal of Water and Climate Change, 2021
The performance of potential evapotranspiration (PET) methods such as pan evaporation (physical measurement), empirical formulas (Penman–Monteith (PM), Hargreaves and Thornthwaite) and satellite-derived PET (MOD16) were assessed in a semiarid region of ...
Darshana Duhan   +2 more
doaj   +1 more source

Potential and actual evapotranspiration and Landsat derived indices [PDF]

open access: yesGlobal Journal of Environmental Science and Management
BACKGROUND AND OBJECTIVES: Evapotranspiration is an important component of water balance associated with the hydrological cycle and biological processes.
P. Kumar   +7 more
doaj   +1 more source

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