Preprint Review Version 2 Preserved in Portico This version is not peer-reviewed

Review of Nature-Based Echo-Hydraulic Aqua-Forest Technology for Coastal Resilience and Sea Level Rise Climate-Induced Adaptation

Version 1 : Received: 11 August 2023 / Approved: 14 August 2023 / Online: 14 August 2023 (10:03:59 CEST)
Version 2 : Received: 15 April 2024 / Approved: 15 April 2024 / Online: 16 April 2024 (10:46:22 CEST)

How to cite: Oladokun, O.; Lazzaro, U. Review of Nature-Based Echo-Hydraulic Aqua-Forest Technology for Coastal Resilience and Sea Level Rise Climate-Induced Adaptation. Preprints 2023, 2023081017. https://doi.org/10.20944/preprints202308.1017.v2 Oladokun, O.; Lazzaro, U. Review of Nature-Based Echo-Hydraulic Aqua-Forest Technology for Coastal Resilience and Sea Level Rise Climate-Induced Adaptation. Preprints 2023, 2023081017. https://doi.org/10.20944/preprints202308.1017.v2

Abstract

Approximately 20% of the world's population resides in coastal areas at risk of rising sea levels due to climate change. This could lead to severe weather events and ecological impact on critical infrastructure. To combat the effects of water-based environmental forces on the land, hard engineering methods such as seawalls have been utilized. However, a more sustainable solution is emerging in nature-based engineering, which involves growing vegetation. This approach can help extend the lifespan of existing technology and provide climate change adaptation and resilience for coastal and riverine communities. The following paper will review seaweed farms as an advanced nature-based mitigation approach. The paper also outlines the findings of experiments at RWTH Aachen University's hydraulic laboratory. These tests involved using seaweed as a natural solution to dampen waves in a model system to test a hypothesis. One result involving a system with two lines of seaweed revealed 15 percent wave damping. Using seaweed as a nature-based solution, a gentle engineering approach to designing future vegetated protection systems can extend the design life of existing coastal infrastructure. This can also provide protection against climate-induced sea level rise, promote coastal risk mitigation, restore ecosystems, and foster blue bio-economic development.

Keywords

Nature-based solution; seaweed; seagrass; platform; coastal protection

Subject

Environmental and Earth Sciences, Environmental Science

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