Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Romeu Gerardo"'
Autor:
Romeu Gerardo, Isabel Pedroso de Lima
Publikováno v:
Territorium: Revista Portuguesa de riscos, prevenção e segurança, Iss 31(I) (2024)
As espécies exóticas com grande potencial invasor constituem uma séria ameaça à redução da biodiversidade, resultando em custos ambientais e económicos elevados. No caso de plantas invasoras aquáticas, a extensão desta problemática a massa
Externí odkaz:
https://doaj.org/article/91adf3aa36994ec1ae186b48495aca4c
Autor:
Romeu Gerardo, Isabel P. de Lima
Publikováno v:
Agriculture, Vol 13, Iss 10, p 1916 (2023)
Nowadays, Unmanned Aerial Systems (UASs) provide an efficient and relatively affordable remote sensing technology for assessing vegetation attributes and status across agricultural areas through wide-area imagery collected with cameras installed on b
Externí odkaz:
https://doaj.org/article/7f34a06fa7db485c9b4950874785e1df
Autor:
Romeu Gerardo, Isabel P. de Lima
Publikováno v:
Remote Sensing, Vol 15, Iss 7, p 1927 (2023)
Mapping river beds to identify water and sandbars is a crucial task for understanding the morphology and hydrodynamics of rivers and their ecological conditions. The main difficulties of this task so far have been the limitations of conventional appr
Externí odkaz:
https://doaj.org/article/843d8461a4f04a24bb62fd705664d7f9
Publikováno v:
Frontiers in Remote Sensing, Vol 2 (2021)
Rice cultivation is one of the largest users of the world’s freshwater resources. The contribution of remote sensing observations for identifying the conditions under which rice is cultivated, particularly throughout the growing season, can be inst
Externí odkaz:
https://doaj.org/article/16d708d6bef9459c8f873033933f964d
Autor:
Romeu Gerardo, Isabel P. de Lima
Publikováno v:
Agriculture, Vol 12, Iss 9, p 1490 (2022)
Salinization is a major soil degradation threat in irrigated lands worldwide. In Portugal, it affects several pockets of irrigated agricultural areas, but the spatial distribution and intensity of soil salinity are not well known. Unlike conventional
Externí odkaz:
https://doaj.org/article/32bd6245c9554a07a238fb2daee64162
Autor:
Romeu Gerardo, Isabel P. de Lima
Publikováno v:
Water, Vol 14, Iss 15, p 2284 (2022)
Duckweed species, particularly Lemna minor, are widely found in freshwaters all over the world. This macrophyte provides multiple ecosystems’ functions and services, but its excessive proliferation can have negative environmental impacts (including
Externí odkaz:
https://doaj.org/article/621d6a4f021e458fb2dd37b11c09941e
Autor:
João L. M. P. de Lima, Soheil Zehsaz, M. Isabel P. de Lima, Jorge M. G. P. Isidoro, Romeu Gerardo Jorge, Ricardo Martins
Publikováno v:
Agronomy, Vol 11, Iss 7, p 1444 (2021)
This study presents a tracer technique based on the fluorescent properties of quinine to help on the visualization of shallow flows and allow a quantitative measurement of overland flow velocities. Laboratory experiments were conducted to compare the
Externí odkaz:
https://doaj.org/article/e850ead6a9664791b9a604f834e133a0
Publikováno v:
Ecocycles, Vol 3, Iss 1, Pp 6-12 (2017)
A knowledge of what has happened in the past seems helpful in improving the predictability of the link between global-scale phenomena and the carbon cycle; this paper therefore attempts to reconstruct the end-Cretaceous carbon cycle (65 million years
Externí odkaz:
https://doaj.org/article/b56237f884b44ca8adcb204ed436d38e
Autor:
Carla Ferreira, Romeu Gerardo, Jorge Isidoro, Rodrigo Moruzzi, António Ferreira, João de Lima
Publikováno v:
Proceedings, Vol 30, Iss 1, p 10 (2019)
It is widely accepted that urbanization modifies the hydrological processes, increasing runoff and flood hazard. However, after decades of research, the magnitude of the impacts is not well understood. This is partially due to spatial-temporal differ
Externí odkaz:
https://doaj.org/article/2450cf7f0ed4497aa329f094c22d96ed
Publikováno v:
International Journal of Environment and Climate Change. 13:422-430
The global water cycle is closely related to climate change, and fresh water is a precious resource. Therefore, the effects of climate change on fresh water quality are of major importance. Worldwide, shallow lakes and ponds are the most abundant res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7666afaecd2c7d39057341e5247c489d
https://doi.org/10.9734/ijecc/2023/v13i51787
https://doi.org/10.9734/ijecc/2023/v13i51787