Forecasting contrasting coastal and estuarine hydrodynamics with OPENCoastS

Oliveira, Anabela; Fortunato, A. B.; Rodrigues, Marta; Azevedo, Alberto; Rogeiro, João; Bernardo, Samuel; Lavaud, Laura; Bertin, Xavier; Nahon, Alphonse; Jesus, Gonçalo de; Rocha, Miguel; Pedro, Lopes

doi:10.1016/j.envsoft.2021.105132

Cited by 17 publications

(4 citation statements)

References 46 publications

(57 reference statements)

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“…Although bathymetric data are available at global and regional scales (e.g., GEBCO global ocean dataset 6 or EMODNet Digital Terrain Model for European Sea regions 7 ), these data are often limited at local scales and specific bathymetric surveys might be required for local applications. Recent platforms to generate coastal forecast systems for any location, such as OPENCoastS [44] [55], might also be useful to support the implementation of hydrodynamic models for regions where such applications are not available.…”

Section: Evaluation Of the Proposed Methodologymentioning

confidence: 99%

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Modeling LoRa Communications in Estuaries for IoT Environmental Monitoring Systems

et al. 2022

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Low-power wide-area networks are extending beyond the conventional terrestrial domain. Coastal zones, rivers, wetlands, among others, are nowadays common deployment settings for Internet-of-Things nodes where communication technologies such as LoRa are becoming popular. In this article, we investigate large-scale fading dynamics of LoRa line-of-sight links deployed over an estuary with characteristic intertidal zones, considering both shore-to-shore and shore-to-vessel communications. We propose a novel methodology for path loss prediction which captures i) spatial, ii) temporal and iii) physical features of the RF signal interaction with the environmental dynamics, integrating those features into the two-ray propagation model. To this purpose, we resort to precise hydrodynamic modeling of the estuary, including the specific terrain profile (bathymetry) at the reflection point. These aspects are key to accounting for a reflecting surface of varying altitude and permittivity as a function of the tide. Experimental measurements using LoRa devices operating in the 868~MHz band show major trends on the received signal power in agreement with the methodology's predictions.

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Section: Evaluation Of the Proposed Methodologymentioning

confidence: 99%

“…The simulation also includes wetting and drying of tidal flats. SCHISM can be run in operational mode using the Water Information Forecast Framework (WIFF) [42] [43] and as part of the OPENCoastS service [44]. The simulation outputs include hydrodynamics and water quality forecasts for the next 48 hours.…”

Section: B Tidal Modelmentioning

confidence: 99%

Modeling LoRa Communications in Estuaries for IoT Environmental Monitoring Systems

et al. 2022

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“…It is an open-source community-supported modeling system based on unstructured grids, designed for seamless simulation of 3D baroclinic circulation across creek-lake-river-estuary-shelf-ocean scales (Zhang et al 2016). This model is very e cient in terms of computational time and is widely used for similar coastal research studies (Picado et Oliveira, et al 2021). By solving the standard Navier-Stokes equations with hydrostatic and Boussinesq approximations, SCHISM uses a combination of a semiimplicit nite-element/ nite-volume scheme and an Eulerian Lagrangian Method to treat the momentum advection, which guaranties a good balance between e ciently and numerical stability.…”

Section: Schism Model Presentationmentioning

confidence: 99%

Impact of Mangrove on Tidal Propagation in a Tropical Coastal Lagoon

SEUJIP

Bertin

Sakho

et al. 2023

Preprint

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Very complex aquatic ecosystem, the mangrove forest colonizes coastal lagoons, estuaries and deltas in tropical and subtropical zones. This study investigates the impact of mangrove vegetation on tidal propagation in the Somone Coastal Lagoon, located on the Senegalese small coast. The analysis of new field data is complemented with the application of a 3D circulation model accounting for vegetation. The analysis of well-reproduced water levels and currents over the whole lagoon make it possible to spatially study the amplitudes of the main tidal harmonics, semi-diurnal (M2), diurnal (K1) and the major overtide (M4). The comparison between our baseline model accounting for vegetation and a configuration without vegetation reveals firstly that the mangrove strongly attenuates tidal propagation in the lagoon, whit a stronger impact on semi-diurnal waves than diurnal waves. Tidal currents are also strongly reduced when the mangrove is accounted for, even close to the inlet mouth, far away from vegetation areas. The mangrove also enhances tidal asymmetry and promotes ebb dominance, both in terms of duration (ebbs last from 0.5 up to 3 h more than floods) and current magnitude (ebb currents are about 50% stronger). Spring tides accentuate ebb-dominance compared to neap tides, where tidal asymmetry is weaker.

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“…Due to the repetitive nature of these tasks, automation is well suited for such operations. Automation systems with similar functionalities are already available for hydrological and watershed applications [11][12][13] as well as coastal modelling [14][15][16]. In this context, this article presents a novel software package called the Simulation Management System for Operational Coastal Hydrodynamic Models (SMS-Coastal).…”

Section: Introductionmentioning

confidence: 99%

SMS-Coastal, a New Python Tool to Manage MOHID-Based Coastal Operational Models

Mendonça,

Martins,

Janeiro

2023

JMSE

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This paper presents the Simulation Management System for Operational Coastal Hydrodynamic Models, or SMS-Coastal, and its novel methodology designed to automate forecast simulations of coastal models. Its working principle features a generic framework that can be easily configured for other applications, and it was implemented with the Python programming language. The system consists of three main components: the Forcing Processor, Simulation Manager, and Data Converter, which perform operations such as the management of forecast runs and the download and conversion of external forcing data. The SMS-Coastal was tested on two model realisations using the MOHID System: SOMA, a model of the Algarve coast in Portugal, and BASIC, a model of the Cartagena Bay in Colombia. The tool proved to be generic enough to handle the different aspects of the models, being able to manage both forecast cycles.

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Forecasting contrasting coastal and estuarine hydrodynamics with OPENCoastS

Cited by 17 publications

References 46 publications

Modeling LoRa Communications in Estuaries for IoT Environmental Monitoring Systems

Modeling LoRa Communications in Estuaries for IoT Environmental Monitoring Systems

Impact of Mangrove on Tidal Propagation in a Tropical Coastal Lagoon

SMS-Coastal, a New Python Tool to Manage MOHID-Based Coastal Operational Models

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