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Kazimierz Wielki University in Bydgoszcz

(Uniwersytet Kazimierza Wielkiego)

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Spatio-temporal variations in Particle-Size Distribution (PSD) and textural characteristics of Suspended Particulate Matter (SPM) of sampled sediment particles across the tropical Subarnarekha River Estuary (2024-2025)

Version 1.0

Acharyya, Rituparna, 2026, "Spatio-temporal variations in Particle-Size Distribution (PSD) and textural characteristics of Suspended Particulate Matter (SPM) of sampled sediment particles across the tropical Subarnarekha River Estuary (2024-2025)", https://doi.org/10.18150/M6GQAK, RepOD, V1

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Description

The dataset consists of Particle-Size Distribution (PSD) data and multi-sample sediment statistics from laboratory-based grain-size analyses in Mastersizer, conducted on samples collected during field campaigns between 2024 and 2025 in the Subarnarekha River Estuary.

The investigation aims to characterise the grain-size composition and textural characteristics of SPM-derived and directly collected sediment samples and assess their seasonal and spatial variability within the Subarnarekha River estuary. Sampling covered the post-monsoon season of 2024, pre-monsoon, and monsoon season of 2025, across selected estuarine locations and cross-sectional positions.

The dataset consists of laboratory-based analyses of field samples:

• Grain-size analysis using Malvern Mastersizer 3000 particle-size analyser using laser diffraction;

• Particle-Size Distribution (PSD) data derived from Mastersizer measurement;

• Multi-sample sediment statistics calculated from PSD using GRADSITAT Software.

The dataset includes 45 analytical sample series. Sampling was done at four sites: Rajghat (RA), Pantei Ghat (PA), Chaumukh/Chaumukh Ghat (CH), and Chandrabali Beach (CB), with cross sections fixed along the Left Bank (LB), Mid-Channel (MC), and Right Bank (RB).

The dataset provides information on sediment PSD, cumulative PSD, grain-size statistics and sediment textural characteristics of the analysed materials. These data can be used to compare sediment particle properties between sampling locations and sediment sources and to assess spatial variability in particle-size characteristics throughout the Subarnarekha River estuarine system.

Subject

Earth and Environmental Sciences

Keyword

Suspended Particulate Matter (SPM), Subarnarekha river estuary, particle-size distribution (PSD), sediment grain size

Related Publication

Acharyya, R., Habel, M., Mandal, D., & Mukhopadhyay, A. (2026). Geoinformatics for sustainable management of coastal estuaries: A comparative study of the Tana River estuary (Norway) and Subarnarekha estuary (India), a pathway from Arctic to tropic. In Harnessing Earth Observation for Coastal Engineering (pp. 53-86). Elsevier. https://www.sciencedirect.com/science/chapter/edited-volume/abs/pii/B9780443275906000129 doi: 10.1016/B978-0-443-27590-6.00012-9

License

CC0 Creative Commons Zero 1.0

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1 to 10 of 10 Files

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		Sediment Particle-Size Distribution Curve_Subarnarekha_Post-Monsoon_2024.xlsx MS Excel (XLSX) - 47.2 KB - Sep 25, 2026 - 0 Downloads MD5: ba6c7a7b25166bbb464868bae694b7c5 License: CC0 Creative Commons Zero 1.0 Raw Particle-Size Distribution (PSD) data of field-collected sediment samples in the Subarnarekha River estuary, during post-monsoon of 2024, generated via laser-diffraction analysis.	Download
		Cumulative Particle-Size Distribution Curve_Subarnarekha_Post-Monsoon_2024.xlsx MS Excel (XLSX) - 51.6 KB - Sep 25, 2026 - 0 Downloads MD5: 55a42fb1f0fdd2b502069adf349e5a89 License: CC0 Creative Commons Zero 1.0 Cumulative Particle-Size Distribution (PSD) data on sediment samples collected in the Subarnarekha River estuary during the post-monsoon of 2024, using laser-diffraction analysis.	Download
		Multi Sample Sediment Statistics_Subarnarekha_Post-Monsoon_2024.xlsx MS Excel (XLSX) - 59.5 KB - Sep 25, 2026 - 0 Downloads MD5: 8cef517e16b55a457afbb5869d48a094 License: CC0 Creative Commons Zero 1.0 Multi-sample sediment grain-size statistics and textural characteristics using PSD data from field samples in the Subarnarekha River estuary during the post-monsoon of 2024 by GRADISTAT.	Download
		Sediment Particle-Size Distribution Curve_Subarnarekha_Pre-Monsoon_2025.xlsx MS Excel (XLSX) - 32.3 KB - Sep 25, 2026 - 0 Downloads MD5: 9ec8236ca12d96c653f2bced61fd0a5f License: CC0 Creative Commons Zero 1.0 Raw Particle-Size Distribution (PSD) data of field-collected sediment samples in the Subarnarekha River estuary, during pre-monsoon of 2025, generated via laser-diffraction analysis.	Download
		Cumulative Particle-Size Distribution Curve_Subarnarekha_Pre-Monsoon_2025.xlsx MS Excel (XLSX) - 35.2 KB - Sep 25, 2026 - 0 Downloads MD5: 7969e597611141ae116ff63df87420d1 License: CC0 Creative Commons Zero 1.0 Cumulative Particle-Size Distribution (PSD) data on sediment samples collected in the Subarnarekha River estuary during the pre-monsoon of 2025, using laser-diffraction analysis.	Download
		Multi Sample Sediment Statistics_Subarnarekha_Monsoon_2025.xlsx MS Excel (XLSX) - 63.6 KB - Sep 25, 2026 - 0 Downloads MD5: 0acc73438c9795d0a49e1acc0ac13735 License: CC0 Creative Commons Zero 1.0 Multi-sample sediment grain-size statistics and textural characteristics using PSD data from field samples in the Subarnarekha River estuary during the monsoon of 2025 by GRADISTAT.	Download
		Sediment Particle-Size Distribution Curve_Subarnarekha_Monsoon_2025.xlsx MS Excel (XLSX) - 57.6 KB - Sep 25, 2026 - 0 Downloads MD5: 4adac2c63ed489ea38967c77c1544f1a License: CC0 Creative Commons Zero 1.0 Raw Particle-Size Distribution (PSD) data of field-collected sediment samples in the Subarnarekha River estuary, during the monsoon of 2025, generated via laser-diffraction analysis.	Download
		Cumulative Particle-Size Distribution Curve_Subarnarekha_Monsoon_2025.xlsx MS Excel (XLSX) - 57.3 KB - Sep 25, 2026 - 0 Downloads MD5: d0f9685cd2055179cd7459fa8a007581 License: CC0 Creative Commons Zero 1.0 Cumulative Particle-Size Distribution (PSD) data on sediment samples collected in the Subarnarekha River estuary during the monsoon of 2024, using laser-diffraction analysis.	Download
		Multi Sample Sediment Statistics_Subarnarekha_Pre-Monsoon_2025.xlsx MS Excel (XLSX) - 55.1 KB - Sep 25, 2026 - 0 Downloads MD5: d5e44d64198d4cce087e7d73efd04531 License: CC0 Creative Commons Zero 1.0 Multi-sample sediment grain-size statistics and textural characteristics using PSD data from field samples in the Subarnarekha River estuary during the pre-monsoon of 2025 by GRADISTAT.	Download
		README_SUBARNAREKHA_PSD_v2.txt Plain Text - 11.0 KB - Sep 25, 2026 - 0 Downloads MD5: 905dd5cb0b251f0a00b9d9b7460a575d License: CC0 Creative Commons Zero 1.0 README file describing the scope, structure, methodology, data processing, and reusability of the Subarnarekha River sediment PSD and sediment statistical datasets covering the period 2024-2025.	Preview Download

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