Zobrazeno 1 - 10
of 78
pro vyhledávání: '"J. J. Keizer"'
Publikováno v:
Biogeosciences, Vol 19, Pp 2235-2243 (2022)
A maritime pine plantation in central Portugal that has been continuously monitored using the eddy-covariance technique for carbon fluxes since a wildfire in 2017 was significantly affected by two storms during December 2019 that resulted in a large-
Externí odkaz:
https://doaj.org/article/2c4441ecf04348cd8b13ff1d00558934
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract Wildfires are a recurrent and increasing threat in mainland Portugal, where over 4.5 million hectares of forests and scrublands have burned over the last 38 years. These fire-affected landscapes have suffered an intensification of soil erosi
Externí odkaz:
https://doaj.org/article/75d87aadc88b43dd8d83818a3e117ee4
Publikováno v:
Biogeosciences, Vol 18, Pp 285-302 (2021)
Wildfires typically affect multiple forest ecosystem services, with carbon sequestration being affected both directly, through the combustion of vegetation, litter and soil organic matter, and indirectly, through perturbation of the energy and matter
Externí odkaz:
https://doaj.org/article/fe563feb9e5b4558af15c9d53868b87c
Autor:
J. J. Keizer, M. A. S. Martins, S. A. Prats, L. F. Santos, D. C. S. Vieira, R. Nogueira, L. Bilro
Publikováno v:
SOIL, Vol 1, Iss 2, Pp 641-650 (2015)
This study is the first comprehensive testing of a novel plastic optical fibre turbidity sensor with runoff samples collected in the field and, more specifically, with a total of 158 streamflow samples and 925 overland flow samples from a recently bu
Externí odkaz:
https://doaj.org/article/50a74157dd794c7792e8a1823583b7cf
Autor:
D. Hawtree, J. P. Nunes, J. J. Keizer, R. Jacinto, J. Santos, M. E. Rial-Rivas, A.-K. Boulet, F. Tavares-Wahren, K.-H. Feger
Publikováno v:
Hydrology and Earth System Sciences, Vol 19, Iss 7, Pp 3033-3045 (2015)
The north-central region of Portugal has undergone significant land cover change since the early 1900s, with large-scale replacement of natural vegetation types with plantation forests. This transition consisted of an initial conversion primarily to
Externí odkaz:
https://doaj.org/article/a31aeaf8a07a4b628ff863336f63f94f
Publikováno v:
Hydrology and Earth System Sciences, Vol 17, Iss 10, Pp 3741-3758 (2013)
This study evaluated the performance of the WRF-ARW (Weather Research and Forecasting with Advanced Research) weather prediction model in simulating the spatial and temporal patterns of an extreme rainfall period over a complex orographic region in n
Externí odkaz:
https://doaj.org/article/bff0c7adc809403eabc9c8eaa5fc0f1c
Autor:
Isabel A. C. Fernandes, J. P. Nunes, Raquel S. V. Ferreira, Luísa M. G. P. Pereira, Diana C. S. Vieira, J. J. Keizer
Publikováno v:
Territorium: Revista Portuguesa de riscos, prevenção e segurança, Iss 17 (2010)
O presente artigo apresenta resultados preliminares da monitorização de escorrência e erosão do solo após incêndio, numa micro-bacia hidrográfica no centro de Portugal. Os dados recolhidos permitem avaliar os diferentes processos que governam
Externí odkaz:
https://doaj.org/article/e46061ce2d964d66b1322ce0b4392f5a
Publikováno v:
Territorium: Revista Portuguesa de riscos, prevenção e segurança, Iss 17 (2010)
O presente trabalho tem como objectivo avaliar a adequabilidade de dois modelos empíricos de erosão, para o mapeamento do risco de erosão pós-fogo à escala da encosta, com base em Sistemas de Informação Geográfica. Foi desenvolvido no âmbito
Externí odkaz:
https://doaj.org/article/34406430b81c4dae910f29931877c4dd
Publikováno v:
Scientific reports. 12(1)
Wildfires are a recurrent and increasing threat in mainland Portugal, where over 4.5 million hectares of forests and scrublands have burned over the last 38 years. These fire-affected landscapes have suffered an intensification of soil erosion proces
Autor:
D. Hawtree, J. P. Nunes, J. J. Keizer, R. Jacinto, J. Santos, M. E. Rial-Rivas, A.-K. Boulet, F. Tavares-Wahren, K.-H. Feger
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f2c1af3b907e3867dbb314358cccc37
https://doi.org/10.5194/hessd-11-12223-2014-supplement
https://doi.org/10.5194/hessd-11-12223-2014-supplement