Abstract Reliable predictions of future inundation extent within estuaries require a precise evaluation extreme sea levels and the application accurate numerical models that account for physical processes driving estuarine hydrodynamics. In this study, methodology integrates estimation local with high-resolution modeling was applied to assess in five systems located on Portuguese Coast. The main findings obtained were compared available results from popular bathtub approach, disregards...

Abstract Drought can be considered an atmospheric condition, which rapidly goes beyond to affect multiple fields of the environment and human activities. The persistence these conditions recharge surface groundwater bodies due a decrease in volume runoff seepage, thus affecting environmental In this context, main aim work is characterize occurrence variability future droughts Galicia over twenty-first century. methodology followed based on calculation analysis Standardized Precipitation...

Estuarine systems currently face increasing pressure due to population growth, rapid economic development, and the effect of climate change, which threatens deterioration their water quality. This study uses an open-source model high transferability (Delft3D), investigate physics quality dynamics, spatial variability, interrelation two estuarine Portuguese west coast: Mondego Estuary Óbidos Lagoon. In this context, Delft3D was successfully implemented validated for both through...

Aquaculture is one of the fastest growing sectors in world. However, this may come with a cost, as increasing aquatic production likely to impose changes environment. To ensure ecosystem sustainability, it essential think on larger scale. This study aims use Delft3D model suite evaluate ecological carrying capacity for bivalve Sado Estuary (Portugal), under present and future conditions (2050). Scenarios increased oyster resulted reductions chlorophyll associated nutrient concentrations. In...

The Minho and Lima estuaries, separated by approximately 20 km, are two important transitional systems from the NW Atlantic Portuguese coast. Considering their contrasting characteristics, present work aims to investigate climate change impacts in salt intrusion estuarine plumes interaction, through an integrated hydrological characterization. three-dimensional numerical model Delft3D was implemented explore response of these taking into account interaction. applied different scenarios (RCP...

Droughts are important natural hazards that occur worldwide and can have severe long-lasting impacts on humans ecosystems. These phenomena usually quantified by means of the so-called drought indices, which indirect indicators based climatic information. The Standardized Precipitation Index (SPI) is one most widely used indexes this study attempts to characterize occurrence spatial variability index in Iberian Peninsula (IP) over 21st century. SPI was calculated at two time scales (3 12...

In the last decades, climate change has been accelerating, affecting, directly and indirectly, environment, animal habitats, daily human life. Earth System Models (ESMs) are valuable tools for studying these impacts, their performance over coastal regions is critical understanding how physical biogeochemical processes evolving through time they may in future. The continental Portuguese coast, characterized by an important upwelling system, hosts highly productive nutrient-rich with a large...

Coastal floods are currently a strong threat to socioeconomic activities established on the margins of lagoons and estuaries, as well their ecological equilibrium, situation that is expected become even more worrying in future climate change context. The Ria de Aveiro lagoon, located northwest coast Portugal, not an exception these threats, especially considering low topography its which has led several flood events past. growing concerns with regions stem from mean sea level (MSL) rise...

Aquaculture is one of the food industries that most evolved in recent years response to increased human demand for seafood products, which has led a progressive stock threat nature. With high consumption per capita, Portugal been exploring its coastal systems improve cultivation fish and bivalve species with commercial value. In this context, study aims propose use numerical model as tool assess impact climate change on aquaculture site selection temperate estuarine system (Sado estuary)....

Abstract This study aims to investigate the potential changes in co-occurrence of strong precipitation and wind events over Iberian Peninsula using simulations from Coupled Model Intercomparison Project (CMIP) Phase 6 under two scenarios (SSP2 − 4.5 SSP5 8.5). Projected indicate a significant regional variability during all seasons. In winter, western regions are projected experience an increase compound as century progresses both scenarios, with significantly larger area being affected by...

Estuaries are dynamic and resource-rich ecosystems renowned for their high productivity ecological significance. The Rías Baixas, located in the northwest of Iberian Peninsula, consist four highly productive estuaries that support region’s economy through key fisheries aquaculture activities. Numerical modeling biogeochemical processes rias is essential to address environmental anthropogenic pressures, particularly areas facing intense human development. This study presents a high-resolution...

The interaction between tide, river runoff, and wind in coastal lagoons induces complex salinity gradients, which are remarkable when the meteorological forcing is exacerbated. This work aims to characterize structure under extreme freshwater events Ria de Aveiro lagoon (Portugal). Delft3D model was implemented validated 3D mode used perform simulations forced with scenarios. Results show that conditions determine stratification intensity location. Generally, increases as increases, while...

Coastal lagoons hold significant ecological value due to their rich biodiversity and essential roles in supporting ecosystems. However, they are increasingly threatened by accelerated climate change, it is crucial assess these environments’ status for present future conditions resulting from the impacts of change. In this context, work aims evaluate Ria de Aveiro through application numerical model Delft3D. The was validated, results demonstrate that effectively captures main characteristics...

Estuaries are dynamic and resource-rich ecosystems renowned for their high productivity ecological significance. The Rías Baixas, located in the northwest of Iberian Peninsula, consist four highly productive estuaries that support region's economy through key fisheries aquaculture activities. Numerical modelling biogeochemical processes rias is essential to address environmental anthropogenic pressures, particularly areas facing intense human development. This study presents a...

Climate change will have far-reaching consequences on the environment, primary production, economy, and society as a whole. Changes in hydrodynamic patterns pose significant threat to low-lying coastal areas that often present high economic biological value. The Ria de Vigo is part of Rias Baixas, which are located NW Iberian Peninsula. This system, well rest Galician coast, an area production vulnerable changes hydrodynamics induced by climate change. These could detrimental effect system...

The ocean is a key player in the Earth's climate, absorbing heat and carbon dioxide from atmosphere. ocean's temperature salinity are influenced by climate change, which can significantly impact marine ecosystems. Reliable data sets of atmospheric oceanographic parameters special interest coastal productive areas to adequately monitor their variability at regional local levels. It therefore essential continue monitoring studying develop effective mitigation adaptation strategies. In this...

Estuaries are among the most sensitive systems to climate change. Previous studies have suggested that Sado Estuary (Portugal) has decreasing trends for water temperature, which is uncommon in a global warming scenario. However, no long-term analysis regarding column conditions been conducted on this estuary date. Therefore, main aim of study understand if and how properties changed, considering 34-year trend an assessment their drivers. Water temperature significantly decreased (up 0.04...

Picado, A.; Oliveira, V.; Pereira, H.; Sousa, M.C.; Costa, L.; Almeida, A., and Dias, J.M., 2020. Assessing the potential of Minho Lima estuaries for aquaculture. In: Malvárez, G. Navas, F. (eds.), Global Coastal Issues Journal Research, Special Issue No. 95, pp. 148-152. Coconut Creek (Florida), ISSN 0749-0208.This work aims identification best areas to develop aquaculture activities in estuaries, especially species with highest commercial value. The Analytic Hierarchy Process (AHP)...

A large number of estuarine systems provide favorable conditions for aquaculture, including high nutrient content, sheltered waters, and water temperatures. In this context, the main objective work is to identify most suitable areas within Ria de Alvor bivalve fish aquaculture production considering present future in a climate change context. suitability index was developed based on results an annual simulation with Delft3D model thresholds optimal values development each species were...