Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X Leibniz University Hannover https://ror.org/0304hq317 Peetz Cara cara.peetz@univ-pau.fr L'Université de Pau et des Pays de l'Adour UPPA https://www.univ-pau.fr https://ror.org/01frn9647 Visscher Jan jan.visscher@th-owl.de 0000-0003-4764-6717 Ostwestfalen-Lippe University of Applied Sciences and Arts OWL UAS https://www.th-owl.de/ https://ror.org/04eka8j06 Paul Maike paul@lufi.uni-hannover.de 0000-0002-7006-1867 Leibniz University Hannover https://ror.org/0304hq317 2026 Velocity fields of seagrass mimics under unidirectional flow dataset https://doi.pangaea.de/10.1594/PANGAEA.995605 2026-07-14T12:25:08 Seagrass mimics were used to assess the modifications imparted by the mimics on the flow field. For this purpose, laboratory experiments were carried out in September 2023 at the Ludwig-Franzius-Institute of Hydraulic, Estuarine and Coastal Engineering, Leibniz University Hannover, Germany. The seagrass mimics were fabricated from low-density polyethylene (LDPE) with a density of 920 kg/m^3 and a modulus of elasticity of 2.64 ×10^8 N/m^2. Four tropical seagrass species (Enhalus acoroides, Thalassia hemprichii, Halodule uninervis, Halophila ovalis ssp. bullosa) were mimiced by different modelling parameters (see Table 1 in additional metadata file). The full canopy mimic model covered a planform area of 2m × 1m. The seagrass mimic canopy was exposed to unidirectional flow in a recirculating flume with a straight channel of 17.6 m length and 2 m width. The experiments were conducted under four depth-averaged velocities at a constant water depth of 40 cm: 0.13 m/s, 0.21 m/s, 0.28 m/s, 0.35 m/s. Instantaneous velocity measurements were acquired using a stereoscopic Particle Image Velocimetry (PIV) system and a four-beam Acoustic Doppler Velocimeter (ADV). The PIV system measured the three velocity components, namely streamwise, lateral, and vertical velocity components, in a two-dimensional plane in the wake of the canopy centreline (2D3C), while the ADV system measured the same three velocity components at discrete points along vertical profiles at selected streamwise positions relative to the trailing edge of the canopy. The detailed experimental setup, used methods, and data processing are described in the additional metadata file. Goring Derek G Nikora Vladimir I 2002 Despiking Acoustic Doppler Velocimeter Data journal article Journal of Hydraulic Engineering (ASCE) 128(1) https://doi.org/10.1061/(ASCE)0733-9429(2002)128:1(117) 117-126 Raffel Markus 0000-0002-3340-9115 Willert Christian E Scarano Fulvio Kähler Christian J Wereley Steve T Kompenhans Jürgen 2018 Particle Image Velocimetry book Springer International Publishing, Cham https://doi.org/10.1007/978-3-319-68852-7 Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X 2026 Detailed method description of experiment investigating the effect of seagrass mimics on on velocity fields other https://download.pangaea.de/reference/140368/attachments/D995605_method_descr.pdf 2023-09-04T00:00:00 2023-09-08T00:00:00 uncoded table sea4soCiety DAM CDRmare - sea4soCiety: Searching for solutions for Carbon-sequestration in coastal ecosystems https://sea4society.cdrmare.de/en/ Leibniz Centre for Tropical Marine Research, Bremen, Germany ZMT https://leibniz-zmt.de/ https://ror.org/019w00969 CDRmare Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways https://cdrmare.de/en/ GEOMAR - Helmholtz Centre for Ocean Research Kiel GEOMAR http://www.geomar.de https://ror.org/02h2x0161 Federal Ministry of Education and Research BMBF https://www.bmbf.de/ https://doi.org/10.13039/501100002347 03F0896G DAM CDRmare - sea4soCiety, Leibniz University Hannover https://foerderportal.bund.de/foekat/jsp/SucheAction.do?actionMode=view&fkz=03F0896G Exp_flow_seagrass 2023-09-04T00:00:00 2023-09-08T00:00:00 Laboratory experiment Experiment conducted at the Ludwig-Franzius-Institute of Hydraulic, Estuarine and Coastal Engineering, Leibniz University Hannover 6 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ File content Content Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X Content netCDF file netCDF https://doi.org/10.5065/D6H70CW6 Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X netCDF netCDF file (File Size) netCDF (Size) Bytes https://doi.org/10.5065/D6H70CW6 Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X netCDF (Size) [Bytes] netCDF file (Media Type) netCDF (Type) https://doi.org/10.5065/D6H70CW6 Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X netCDF (Type) netCDF file (MD5 Hash) netCDF (Hash) https://doi.org/10.5065/D6H70CW6 Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X netCDF (Hash) Documentation file DOCS Sarma Barnapratim sarma@lufi.uni-hannover.de 0000-0003-4414-392X DOCS CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels Acoustic Doppler velocimetry Laboratory experiment Particle Image Velocimetry author106596 author118100 author118101 author118102 author118103 author118104 author118105 author118106 author118107 author118108 author52871 author72899 award3208 curlevel30 event3413406 funder20473 geocode1599 inst20147 inst21655 inst22837 inst22838 inst46 journal8914 license21 method8239 param513667 param516439 param99583 pi106596 project4757 project4785 ref140364 ref140365 ref140368 term38841 term76161 term78210 topotype11