Journal of Integrated Coastal Zone Management

Adequação das estratégias e planos de adaptação climática de países atlânticos quanto ao gerenciamento de riscos de eventos climáticos extremos

Luiggia Girardi Bastos Reis de Araujo, Cesar Augusto Marques da Silva — Fri, 13 Dec 2024 00:00:00 +0000

Populations in coastal areas suffer and will suffer more from problems associated with extreme weather events and loss of biodiversity. Therefore, planning instruments are necessary help populations to these consequences. The aim of this study was to evaluate coastal management and climate change documents from thirty Atlantic countries. For that, those documents were evaluated from 32 indicators. Although 66% of the selected countries have documents with values above the average, several indicators were disclosed with low breadth and depth. The indicator Emergency preparedness and response procedures for extreme events was insufficient for most countries.

Seasonal variation of physical and chemical conditions of the goiana and megaó estuary, northeast brazil

Fri, 13 Dec 2024 00:00:00 +0000

Estuaries are coastal ecosystems of transition between continental and marine waters, among their characteristics, there is the salinity variation due to tidal cycles, being necessary environmental monitoring actions for the identification of possible anthropic influences. The aim was to characterize seasonally the physical and chemical variables of water in the estuary of the rivers Goiana and Megaó. The study area comprises the estuary of the Goiana and Megaó rivers, located in the Northeast of Brazil, and is a protected area of sustainable use for the development of artisanal fisheries. A total of 20 points along the estuary were sampled during the months of May, July, September and November 2021, January and March 2022, collecting temperature (ºC), pH, salinity, dissolved oxygen (mg/L) and transparency (cm). Temperature, salinity and transparency varied significantly between the dry and rainy seasons. The dissolved oxygen registered was lower than that described in the Brazilian legislation, causing a state of hypoxia in the estuary. Mitigation measures are needed to improve the quality of the estuarine water, ensuring the maintenance of local biodiversity.

GEOENVIRONMENTAL ZONNING OF THE MUNICIPALITY OF RIO GRANDE, SOUTHEAST BRAZIL

Fri, 13 Dec 2024 00:00:00 +0000

Zoning has the function of making the development of urban and rural areas compatible, defining restrictions and adjustments to the use of the spaces. A subdivision of environmental zoning is geoenvironmental zoning, which considers the landscape as a physical and conceptual tool/contribution to the planning actions. The municipality of Rio Grande (Rio Grande do Sul-South Brazil) allowed different uses of the urban and rural spaces, which drastically affected the operation and organization of the landscape. Therefore, there has been a need for studies on environmental planning, being the objective of this research to present the geoenvironmental planning for Rio Grande municipality. The geoecology of landscapes will be used as a theoretical and methodological approach, as it allows the establishment of geoenvironmental units. The geoenvironmental zoning defined six areas, which are: preservation, conservation, damping, rehabilitation, improvement, and use. The geoenvironmental zoning allowed the proposition of rules to the adequate use of the environment, conciliating the characteristics of the physical environment with the needs of socioeconomic dynamics.

Exploring tidal constituent trends: unveiling the impact of the 18.6-year lunar nodal cycle through harmonic analysis and long-term tide gauge records.

Fri, 13 Dec 2024 00:00:00 +0000

Understanding tidal constituent trends is becoming increasingly important in a world where climate change puts pressure on the tidal regime across the globe. Tidal constituents change constantly, but there is strong evidence that nodal modulation interferes with constituent amplitude values, thus hindering efforts to accurately measure their trends. Therefore, this paper proposes a practical approach to remove the influence of nodal modulation in constituent trend analysis. We collected multiple 18.6-year series of sea level data from tide gauges in Brest (France), Cananeia (Brazil), and Eastport (USA) and performed a harmonic analysis. Our main focus is to assess the interference of the nodal cycle on M₂ tidal constituents. Although 19-year series are optimal to minimize this interference, they drastically reduce the number of data sets analyzed. To mitigate this problem, we employed a moving-window approach where each 19-year series starts one year after the previous one. The results of all three surveyed sites show that by employing this approach, the trends of the tidal constituents change significantly compared to what was previously seen with nodal interference. For instance, in Eastport, the analysis indicates that nodal modulation is partially responsible for the apparent reduction of the M₂ amplitude tendency slope after 1980, a change that is softened when the effects of this modulation are removed. The reliability of the trends identified in this study suggests that this practical approach can also help future research predict the slope tendency of main tidal constituents.

Comprehensive Approaches to Climate Adaptation and Coastal Management: Insights from the Brazilian Coast and a Southeast Asian Port

Fri, 13 Dec 2024 00:00:00 +0000

Port and Coastal Management Against Climate Change, Case Study Tanjung Emas Port Semarang, Central Java, Indonesia

Fri, 13 Dec 2024 00:00:00 +0000

One of the primary ports with a high land subsidence rate and a recent sea level rise is Tanjung Emas Semarang in Central Java, Indonesia. This paper discusses how ports can adapt to the effects of climate change and port resilience at Tanjung Emas Port, Semarang, Central Java, Indonesia. The descriptive qualitative analysis explains Tanjung Emas Port Semarang’s readiness action due to climate change impacts. This research topic is crucial because it can be used to assess port managers and decision-makers coping with climate change so they can make the best strategies, decisions, and policies for creating a climate-resilient port. The article discusses climate change impacts, infrastructure, and port and coastal management systems for Tanjung Emas Port in Semarang. Scientists and policymakers will benefit from the case study and literature review's conclusions and recommendations. Research suggests that the port authority has a catastrophe contingency strategy but needs to map disaster-prone port infrastructure.