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36 Results Found

  • Article
  • Open Access
13 Citations
7,228 Views
17 Pages

Using Sentinel-2 Images to Estimate Topography, Tidal-Stage Lags and Exposure Periods over Large Intertidal Areas

  • José P. Granadeiro,
  • João Belo,
  • Mohamed Henriques,
  • João Catalão and
  • Teresa Catry

19 January 2021

Intertidal areas provide key ecosystem services but are declining worldwide. Digital elevation models (DEMs) are important tools to monitor the evolution of such areas. In this study, we aim at (i) estimating the intertidal topography based on an est...

  • Article
  • Open Access
3 Citations
2,795 Views
16 Pages

Offshore wind farms have developed rapidly in Jiangsu Province, China, over the last decade. The existence of offshore wind turbines will inevitably impact hydrological and sedimentary environments. In this paper, a digital elevation model (DEM) of t...

  • Article
  • Open Access
34 Citations
8,714 Views
20 Pages

High-Resolution Intertidal Topography from Sentinel-2 Multi-Spectral Imagery: Synergy between Remote Sensing and Numerical Modeling

  • Md Jamal Uddin Khan,
  • MD Nazmuddoha Ansary,
  • Fabien Durand,
  • Laurent Testut,
  • Marufa Ishaque,
  • Stéphane Calmant,
  • Yann Krien,
  • A.K.M. Saiful Islam and
  • Fabrice Papa

4 December 2019

The intertidal zones are well recognized for their dynamic nature and role in near-shore hydrodynamics. The intertidal topography is poorly mapped worldwide due to the high cost of associated field campaigns. Here we present a combination of remote-s...

  • Article
  • Open Access
32 Citations
8,147 Views
22 Pages

Monitoring Sea Level and Topography of Coastal Lagoons Using Satellite Radar Altimetry: The Example of the Arcachon Bay in the Bay of Biscay

  • Edward Salameh,
  • Frédéric Frappart,
  • Vincent Marieu,
  • Alexandra Spodar,
  • Jean-Paul Parisot,
  • Vincent Hanquiez,
  • Imen Turki and
  • Benoit Laignel

14 February 2018

Radar altimetry was initially designed to measure the marine geoid. Thanks to the improvement in the orbit determination from the meter to the centimeter level, this technique has been providing accurate measurements of the sea surface topography ove...

  • Article
  • Open Access
9 Citations
3,561 Views
17 Pages

15 February 2024

Coastal tidal flat wetlands are valuable natural resources that provide diverse habitats and important ecological barriers. The physical environment of the intertidal zone poses many challenges to the monitoring of tidal flat topography, making it di...

  • Article
  • Open Access
25 Citations
5,371 Views
19 Pages

29 March 2023

The rapid, up-to-date, cost-effective acquisition and tracking of intertidal topography are the fundamental basis for timely, high-priority protection and restoration of the intertidal zone. The low cost, ease of use, and flexible UAV-based photogram...

  • Review
  • Open Access
143 Citations
14,542 Views
32 Pages

Monitoring Beach Topography and Nearshore Bathymetry Using Spaceborne Remote Sensing: A Review

  • Edward Salameh,
  • Frédéric Frappart,
  • Rafael Almar,
  • Paulo Baptista,
  • Georg Heygster,
  • Bertrand Lubac,
  • Daniel Raucoules,
  • Luis Pedro Almeida,
  • Erwin W. J. Bergsma and
  • Benoit Laignel
  • + 8 authors

21 September 2019

With high anthropogenic pressure and the effects of climate change (e.g., sea level rise) on coastal regions, there is a greater need for accurate and up-to-date information about the topography of these systems. Reliable topography and bathymetry in...

  • Article
  • Open Access
5 Citations
2,688 Views
21 Pages

Rapid Changes in Permeability: Numerical Investigation into Storm-Driven Pebble Beach Morphodynamics with XBeach-G

  • Antoine Soloy,
  • Carlos Lopez Solano,
  • Emma Imen Turki,
  • Ernesto Tonatiuh Mendoza and
  • Nicolas Lecoq

14 February 2024

This study delves into the morphodynamic changes of pebble beaches in response to storm events, employing a combination of observational and numerical approaches. This research focuses on three extreme events, meticulously examining morhological chan...

  • Article
  • Open Access
15 Citations
8,969 Views
19 Pages

16 March 2015

Local-scale environmental heterogeneity can provide microhabitats that influence the spatial distribution of competing species. Microhabitats may influence the distribution of seagrasses along elevation gradients, but difficulty measuring intertidal...

  • Article
  • Open Access
13 Citations
3,141 Views
18 Pages

Relating Hydrodynamic Forcing and Topographic Response for Tide-Dominated Sandy Beaches

  • Evelien Brand,
  • Anne-Lise Montreuil,
  • Rik Houthuys and
  • Margaret Chen

26 February 2020

To relate hydrodynamic forcing and topographic response for a tide-dominated sandy beach, extensive field measurements were carried out in the intertidal zone. Hydrodynamics and beach topography were monitored during a total of 12 weeks at two differ...

  • Article
  • Open Access
2 Citations
2,352 Views
19 Pages

As a transition zone between the terrestrial ecosystem and the marine ecosystem, coastal intertidal wetland provides an important place for material circulation and energy exchange, and it is nature’s most precious resource. The ecological heal...

  • Article
  • Open Access
2 Citations
2,267 Views
20 Pages

SWOT-Based Intertidal Digital Elevation Model Extraction and Spatiotemporal Variation Assessment

  • Hongkai Shi,
  • Dongzhen Jia,
  • Xiufeng He,
  • Ole Baltazar Andersen and
  • Xiangtian Zheng

24 April 2025

Traditional methods for the construction of intertidal digital elevation models (DEMs) require the integration of long-term multi-sensor datasets and struggle to capture the spatiotemporal variation caused by ocean dynamics. The SWOT (surface water a...

  • Article
  • Open Access
1,386 Views
20 Pages

27 December 2024

The intertidal zone, as a dynamic ecosystem at the interface of land and sea, plays a critical role in environmental protection and disaster mitigation. The Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) is equipped with the Advanced Topograph...

  • Technical Note
  • Open Access
8 Citations
5,292 Views
11 Pages

20 December 2021

Coastal zones are very dynamic natural systems that experience short-term and long-term morphological changes. Their highly dynamic behavior requires frequent monitoring. Tidal flat topography for a large spatial coverage has been generated mainly by...

  • Article
  • Open Access
22 Citations
4,717 Views
27 Pages

Combining Multispectral and Radar Imagery with Machine Learning Techniques to Map Intertidal Habitats for Migratory Shorebirds

  • Mohamed Henriques,
  • Teresa Catry,
  • João Ricardo Belo,
  • Theunis Piersma,
  • Samuel Pontes and
  • José Pedro Granadeiro

6 July 2022

Migratory shorebirds are notable consumers of benthic invertebrates on intertidal sediments. The distribution and abundance of shorebirds will strongly depend on their prey and on landscape and sediment features such as mud and surface water content,...

  • Feature Paper
  • Review
  • Open Access
18 Citations
5,125 Views
16 Pages

13 March 2021

Sandy beach aquifers are complex hydrological and biogeochemical systems where fresh groundwater and seawater mix. The extent of the intertidal mixing zone and the rates of circulating flows within beaches are a primary control on porewater chemistry...

  • Article
  • Open Access
1,532 Views
23 Pages

Monitoring Intertidal Habitats for Effects from Biosolids Applications onto an Adjacent Forestry Plantation

  • Carlos J. A. Campos,
  • Anna Berthelsen,
  • Fiona MacLean,
  • Lisa Floerl,
  • Don Morrisey,
  • Paul Gillespie and
  • Nathan Clarke

11 August 2023

Stabilised organic solids derived from sewage sludge (“biosolids”) are applied to land as an alternative to disposal as landfill. This study evaluated the long-term effects of biosolids applied to forestry plantations on the adjacent inte...

  • Article
  • Open Access
7 Citations
3,258 Views
20 Pages

30 November 2021

The wide spatial and temporal coverage of remotely sensing images is an essential asset to analyze the morphological behaviour of fast-changing coastal environments such as estuarine systems. This paper investigates the reliability of intertidal topo...

  • Article
  • Open Access
21 Citations
5,846 Views
16 Pages

Cross-Shore Suspended Sediment Transport in Relation to Topographic Changes in the Intertidal Zone of a Macro-Tidal Beach (Mariakerke, Belgium)

  • Evelien Brand,
  • Lars De Sloover,
  • Alain De Wulf,
  • Anne-Lise Montreuil,
  • Sander Vos and
  • Margaret Chen

Sediment transport is a key element in intertidal beach morphodynamics, but measurements of sediment transport are often unreliable. The aim of this study is to quantify and investigate cross-shore sediment transport and the resulting topographic cha...

  • Article
  • Open Access
685 Views
22 Pages

5 December 2025

This study proposes a “zonal inversion–fusion mosaicking” technical framework to address the challenge of acquiring continuous full-profile topography data in coastal wetland intertidal zones. The framework integrates and synergisti...

  • Feature Paper
  • Article
  • Open Access
17 Citations
4,645 Views
17 Pages

Coastal Floods Induced by Mean Sea Level Rise—Ecological and Socioeconomic Impacts on a Mesotidal Lagoon

  • Francisco Silveira,
  • Carina Lurdes Lopes,
  • João Pedro Pinheiro,
  • Humberto Pereira and
  • João Miguel Dias

14 December 2021

Coastal floods are currently a strong threat to socioeconomic activities established on the margins of lagoons and estuaries, as well as to their ecological equilibrium, a situation that is expected to become even more worrying in the future in a cli...

  • Article
  • Open Access
9 Citations
6,012 Views
19 Pages

Development of a Cost-Effective Airborne Remote Sensing System for Coastal Monitoring

  • Duk-jin Kim,
  • Jungkyo Jung,
  • Ki-mook Kang,
  • Seung Hee Kim,
  • Zhen Xu,
  • Scott Hensley,
  • Aaron Swan and
  • Michael Duersch

30 September 2015

Coastal lands and nearshore marine areas are productive and rapidly changing places. However, these areas face many environmental challenges related to climate change and human-induced impacts. Space-borne remote sensing systems may be restricted in...

  • Article
  • Open Access
11 Citations
4,945 Views
20 Pages

Characteristics of Underwater Topography, Geomorphology and Sediment Source in Qinzhou Bay

  • Chao Cao,
  • Feng Cai,
  • Hongshuai Qi,
  • Yongling Zheng and
  • Huiquan Lu

17 May 2021

Human activities for exploitation and utilization of coastal zones have transformed coastline morphology and severely changed regional flow fields, underwater topography, and sediment distribution in the sea. In this study, single-beam bathymetry cou...

  • Article
  • Open Access
9 Citations
3,306 Views
18 Pages

Mapping Morphodynamic Variabilities of a Meso-Tidal Flat in Shanghai Based on Satellite-Derived Data

  • Rui Yuan,
  • Hezhenjia Zhang,
  • Cheng Qiu,
  • Yuefeng Wang,
  • Xingjie Guo,
  • Yaping Wang and
  • Shenliang Chen

22 August 2022

Morphodynamic variabilities of tidal flats (e.g., the variations of pattern, area, and topography) are a key issue in the management of coastal intertidal zones. In this study, the morphodynamic variabilities of the Lin-gang (Shanghai) tidal flat wer...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,458 Views
23 Pages

Use of a Raspberry-Pi Video Camera for Coastal Flooding Vulnerability Assessment: The Case of Riccione (Italy)

  • Fabio Addona,
  • Flavia Sistilli,
  • Claudia Romagnoli,
  • Luigi Cantelli,
  • Tonino Liserra and
  • Renata Archetti

22 March 2022

Coastal monitoring is strategic for the correct assessment of nearshore morphodynamics, to verify the effects of anthropogenic interventions for the purpose of coastal protection and for the rapid assessment of flooding vulnerability due to severe ev...

  • Article
  • Open Access
36 Citations
6,105 Views
26 Pages

The Impact of Wind on Flow and Sediment Transport over Intertidal Flats

  • Irene Colosimo,
  • Paul L. M. de Vet,
  • Dirk S. van Maren,
  • Ad J. H. M. Reniers,
  • Johan C. Winterwerp and
  • Bram C. van Prooijen

12 November 2020

Sediment transport over intertidal flats is driven by a combination of waves, tides, and wind-driven flow. In this study we aimed at identifying and quantifying the interactions between these processes. A five week long dataset consisting of flow vel...

  • Article
  • Open Access
2 Citations
1,261 Views
16 Pages

21 November 2024

The Laizhou Bay area in China harbors a significant amount of Quaternary brine resources, which have been gradually depleted due to intensive long-term exploitation. It is widely accepted that underground Quaternary brine in Laizhou Bay originates fr...

  • Article
  • Open Access
1,587 Views
17 Pages

Coastal erosion, exacerbated by climate change, poses a critical global threat to both the environment and human livelihoods. Acquiring accurate, high-resolution topo-bathymetric data is vital for understanding these dynamic environments, without und...

  • Article
  • Open Access
855 Views
21 Pages

Assessing ICESat-2’s Capability for Global Mangrove Forest Canopy Measurements

  • Megan Renshaw,
  • Eric Guenther,
  • Lori Magruder and
  • Amy Neuenschwander

29 December 2025

NASA’s ICESat-2 mission offers potential for coastal monitoring by combining its land/vegetation (ATL08) and nearshore bathymetry (ATL24) products. However, the combined performance of these products in environments where both canopy and bathym...

  • Article
  • Open Access
1 Citations
3,845 Views
31 Pages

9 May 2020

Understanding how delta islands grow and change at contemporary, interannual timescales remains a key scientific goal and societal need, but the high-resolution, high frequency morphodynamic data that would be most useful for this are as yet logistic...

  • Review
  • Open Access
1 Citations
1,777 Views
32 Pages

Potential of Earth Observation for the German North Sea Coast—A Review

  • Karina Raquel Alvarez,
  • Felix Bachofer and
  • Claudia Kuenzer

18 March 2025

Rising sea levels, warming ocean temperatures, and other climate change impacts threaten the German North Sea coast, making monitoring of this system even more critical. This study reviews the potential of remote sensing for the German North Sea coas...

  • Article
  • Open Access
1 Citations
1,105 Views
27 Pages

4 November 2025

Accurate and detailed mapping of coastal wetlands is essential for effective wetland resource management. However, due to periodic tidal inundation, frequent cloud cover, and spectral similarity of land cover types, reliable coastal wetland classific...

  • Article
  • Open Access
9 Citations
2,930 Views
16 Pages

10 November 2023

Tidal marshes are dynamic environments providing important ecological and economic services in coastal regions. With accelerating climate change and sea level rise (SLR), marsh mortality and wetland conversion have been observed on global coasts. For...

  • Article
  • Open Access
11 Citations
4,191 Views
17 Pages

25 May 2020

Measurement of beach heights in the intertidal zone has great importance for dynamic geomorphology research, coastal zone management, and the protection of ecological resources. Based on satellite images, the waterline method based on satellite image...

  • Article
  • Open Access
1 Citations
992 Views
22 Pages

1 May 2025

This study combines field and laboratory analyses from seven shallow wells (ZK1 to ZK7) positioned perpendicular to the coastline to investigate groundwater discharge and dynamics in the coastal unconfined aquifer of the intertidal zone at Yazhou Bay...

  • Article
  • Open Access
5 Citations
3,776 Views
19 Pages

Effects of the Bioturbating Marine Yabby Trypaea australiensis on Sediment Properties in Sandy Sediments Receiving Mangrove Leaf Litter

  • Ryan J. K. Dunn,
  • David T. Welsh,
  • Peter R. Teasdale,
  • Franck Gilbert,
  • Jean-Christophe Poggiale and
  • Nathan J. Waltham

25 November 2019

Laboratory mesocosm incubations were undertaken to investigate the influence of burrowing shrimp Trypaea australiensis (marine yabby) on sediment reworking, physical and chemical sediment characteristics and nutrients in sandy sediments receiving man...