Results 61 to 70 of about 493 (122)

A Two Stream Radiative Transfer Model for Vertically Inhomogeneous Vegetation Canopies Including Internal Emission

Journal of Advances in Modeling Earth Systems, Volume 17, Issue 5, May 2025.
Abstract Two stream models of radiative transfer are used in the land surface schemes of climate and Earth system models to represent the interaction of solar and terrestrial radiation with vegetation canopies. This is done both to model the surface energy balance and the photosynthetic flux of carbon into the terrestrial biosphere.
T. L. Quaife
wiley   +1 more source

Validation of PROBA-V GEOV1 and MODIS C5 & C6 fAPAR Products in a Deciduous Beech Forest Site in Italy

Remote Sensing, 2017
The availability of new fAPAR satellite products requires simultaneous efforts in validation to provide users with a better comprehension of product performance and evaluation of uncertainties. This study aimed to validate three fAPAR satellite products,
Enrica Nestola, Jorge Sánchez-Zapero, Consuelo Latorre, Francesco Mazzenga, Giorgio Matteucci, Carlo Calfapietra, Fernando Camacho   +6 more
doaj   +1 more source

High spatial resolution GLASS FAPAR (version 2) product from Landsat imagery: Algorithm development using a knowledge transfer strategy

International Journal of Applied Earth Observations and Geoinformation
The fraction of absorbed photosynthetically active radiation (FAPAR) is a critical parameter for measuring the vegetation photosynthetic capacity. The Hi-resolution Global LAnd Surface Satellite (Hi-GLASS) FAPAR product (version 1, V1) from Landsat ...
Yuting Qiao, Huaan Jin, Tao He, Shunlin Liang, Feng Tian, Wei Zhao, Zhouyang Liu   +6 more
doaj   +1 more source

A Simple Harmonic Model for FAPAR Temporal Dynamics in the Wetlands of the Volga-Akhtuba Floodplain

Remote Sensing, 2016
The paper reports a technique used to construct a reference time series for the fraction of absorbed photosynthetically-active radiation (FAPAR) based on remotely-sensed data in the largest Russian arid wetland territory.
Alexander Kozlov, Maria Kozlova, Nikolai Skorik   +2 more
doaj   +1 more source

Kharif rice crop acreage and yield estimation using microwave and optical remote sensing time series satellite data: A case study of the eastern region of Maharashtra

Acta Scientiarum Polonorum. Formatio Circumiectus
Aim of the study: The study aims to assess the feasibility of using remote sensing to estimate crop area and yield in a major rice-growing region of Maharashtra.
Pritam Meshram, Kishan Singh Rawat, Gaurav Singh   +2 more
doaj   +1 more source

Tracking the impact of climate factors on vegetation dynamics across the Alashan Plateau semi desert ecoregion [PDF]

Computational Ecology and Software
Several studies have demonstrated global climate change, which has happened worldwide; it significantly impacts terrestrial ecosystems. Studying vegetation phenology can provide insight into the impact of climate changes on ecosystems.
SeyedOmid Reza Shobairi, Samira Hemmati Roudbari, Qirghizbek Ayombekov, et al.   +2 more
doaj  

Use of principal components of UAV-acquired narrow-band multispectral imagery to map the diverse low stature vegetation fAPAR

GIScience & Remote Sensing, 2019
The fraction of absorbed photosynthetically active radiation (fAPAR) is an important plant physiological index that is used to assess the ability of vegetation to absorb PAR, which is utilized to sequester carbon in the atmosphere.
Cho-ying Huang, Hsin-Lin Wei, Jiann-Yeou Rau, Jyun-Ping Jhan   +3 more
doaj   +1 more source

Evaluation of In Situ FAPAR Measurement Protocols Using 3D Radiative Transfer Simulations

Remote Sensing
The fraction of absorbed photosynthetically active radiation (FAPAR) is one of the bio-geophysical Essential Climate Variables assessed through remote sensing observations and distributed globally by space and environmental agencies.
Christian Lanconelli, Fabrizio Cappucci, Jennifer Susan Adams, Nadine Gobron   +3 more
doaj   +1 more source

Assessment and Validation of FAPAR, a Satellite-Based Plant Health and Water Stress Indicator, over Uganda

Remote Sensing
This study aimed to assess, compare, and validate a satellite-based plant health and water stress indicator: Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) over Uganda.
Ronald Ssembajwe, Amina Twah, Godfrey H. Kagezi, Tuula Löytty, Judith Kobusinge, Anthony Gidudu, Geoffrey Arinaitwe, Qingyun Du, Mihai Voda   +8 more
doaj   +1 more source

Remotely Sensed Phenotypic Traits for Heritability Estimates and Grain Yield Prediction of Barley Using Multispectral Imaging from UAVs. [PDF]

Sensors (Basel), 2023
Ganeva D, Roumenina E, Dimitrov P, Gikov A, Jelev G, Dyulgenova B, Valcheva D, Bozhanova V.   +7 more
europepmc   +1 more source