Cálculo de um índice de humidade relativa do ar, considerando a resiliência tér...

• Author(s): Marques da Silva, José ; Bugalho, Lourdes ; Sousa, Adélia ; Pessanha, Luis ; Quaresma, Paulo
• Date: 2013
• Persistent ID: http://hdl.handle.net/10174/9291
• Origin: Repositório Científico da Universidade de Évora
• Subject(s): Humidade relativa; LST; satélite; Temperatura
• Document Type: Article
• Language: Portuguese

Description

A relative humidity index (IHR-LST), estimated using the difference between the temperature LST (Land Surface Temperature), one hour after sunrise and one hour after solar noon, divided by the number of hours mediate these two periods, is compared with the air relative humidity of a selected set of meteorological stations.The results show a clear association between both values, relative humidity index and air relative humidity, enabling, with a single variable (LST distributed by EUMETSAT/LSASAF), to obtain a thermal behavior of the soil surface, as well as, an estimation of relative humidity from its temporal dynamics.