User profiles for Isabel Pôças
Isabel PôçasCentro de Investigação em Ciências Geo-Espaciais Verified email at fc.up.pt Cited by 1582 |
A review of strategies, methods and technologies to reduce non-beneficial consumptive water use on farms considering the FAO56 methods
In the past few decades, research has developed a multitude of strategies, methods and
technologies to reduce consumptive water use on farms for adaptation to the increasing …
technologies to reduce consumptive water use on farms for adaptation to the increasing …
[HTML][HTML] Multi-sensor spectral synergies for crop stress detection and monitoring in the optical domain: A review
Remote detection and monitoring of the vegetation responses to stress became relevant for
sustainable agriculture. Ongoing developments in optical remote sensing technologies have …
sustainable agriculture. Ongoing developments in optical remote sensing technologies have …
Remote sensing based indicators of changes in a mountain rural landscape of Northeast Portugal
Landscape metrics were used to analyze landscape changes and related driving forces in a
mountain rural landscape of Northeast Portugal over three decades. This landscape has …
mountain rural landscape of Northeast Portugal over three decades. This landscape has …
Evapotranspiration and crop coefficients for a super intensive olive orchard. An application of SIMDualKc and METRIC models using ground and satellite observations
The estimation of crop evapotranspiration (ET c ) from the reference evapotranspiration (ET
o ) and a standard crop coefficient (K c ) in olive orchards requires that the latter be adjusted …
o ) and a standard crop coefficient (K c ) in olive orchards requires that the latter be adjusted …
Hyperspectral-based predictive modelling of grapevine water status in the Portuguese Douro wine region
I Pôças, J Gonçalves, PM Costa, I Gonçalves… - International journal of …, 2017 - Elsevier
In this study, hyperspectral reflectance (HySR) data derived from a handheld spectroradiometer
were used to assess the water status of three grapevine cultivars in two sub-regions of …
were used to assess the water status of three grapevine cultivars in two sub-regions of …
Estimation of actual crop coefficients using remotely sensed vegetation indices and soil water balance modelled data
A new procedure is proposed for estimating actual basal crop coefficients from vegetation
indices (K cb VI ) considering a density coefficient (K d ) and a crop coefficient for bare soil. K d …
indices (K cb VI ) considering a density coefficient (K d ) and a crop coefficient for bare soil. K d …
Predicting grapevine water status based on hyperspectral reflectance vegetation indices
I Pôças, A Rodrigues, S Gonçalves, PM Costa… - Remote sensing, 2015 - mdpi.com
… Isabel Pôças contributed for the current study by collecting the reflectance data, the subsequent
processing of the data and the analysis of the results, and assuming the responsibility of …
processing of the data and the analysis of the results, and assuming the responsibility of …
[HTML][HTML] Evaluation of crop coefficient and evapotranspiration data for sugar beets from landsat surface reflectances using micrometeorological measurements and …
In California and other agricultural regions that are facing challenges with water scarcity,
accurate estimates of crop evapotranspiration (ET c ) can support agricultural entities in …
accurate estimates of crop evapotranspiration (ET c ) can support agricultural entities in …
Toward a generalized predictive model of grapevine water status in Douro region from hyperspectral data
The predawn leaf water potential (ѱ pd ) is an eco-physiological indicator widely used for
assessing vines water status and thus supporting irrigation management in several wine …
assessing vines water status and thus supporting irrigation management in several wine …
Satellite-based evapotranspiration of a super-intensive olive orchard: Application of METRIC algorithms
Highlights • METRIC successfully estimated ET from remote sensing in a discontinuous
woody crop. • METRIC estimates required adjusting surface temperature to a three-source …
woody crop. • METRIC estimates required adjusting surface temperature to a three-source …