Using Satellite Data to Monitor Sediment Fluxes, Water Properties and Particles Distribution in the Black Sea-Danube Interaction Zone

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1 Using Satellite Data to Monitor Sediment Fluxes, Water Properties and Particles Distribution in the Black Sea-Danube Interaction Zone Adriana M. Constantinescu 1,2, Andrew N. Tyler 2, Peter D. Hunter 2, Evangelos Spyrakos 1 and Adrian Stanica 2 1 University of Stirling, UK, 2 GeoEcoMar, Romania

2 Reconstructing Changes in Sediment Flux from the Danube Delta into the Black Sea through Earth Observation, Sediment Coring and Hydrodynamic Modelling Landsat 2000 image

3 Sediment flux variations- basin scale The effects of sediment starvation in a river-sea interaction zone in the context of sea level rise Giosan et al., 2014 Habersak et al., 2015

4 Decadal to centennial variations Sediment coring delta and sea shelf Hydrodynamic modelling Black Sea 2016 Danube Delta Seasonal to decadal variations In-situ optical properties & water constituents in the delta and sea shelf Earth observation In-situ measurements of remote sensing reflectance and optical water properties TSM sample, Danube Delta, June 2016

5 Danube Delta on board RV Istros 25 stations Danube Delta on board RV Istros 50 stations Black Sea on board RV Mare Nigrum 21 stations Bio-geo-optical properties Bio-geo-optical properties Bio-geo-optical properties TSM, ISM, chla, CDOM, particle size, PC, DOC, POC, Pabs Physio-chemical water parameters Field campaigns TSM, ISM, chla, CDOM, particle size, PC, DOC, POC, Pabs Physio-chemical water parameters TSM, ISM, chla, CDOM, particle size, DOC, POC, Pabs Physio-chemical water parameters

6 Seasonal changes Monthly water and sediment discharge in port of Sulina Jul-02 Jan-03 Jul-03 Jan-04 Jul-04 Jan-05 Jul-05 Jan-06 Jul-06 Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Water discharge Suspended sediment discharge

7 Seasonal changes water maximum Seasonal changes water minimum Log (TSM) Log (TSM) May 2005 September 2007 TSM Data used CoastColor products

8 Seasonal changes sediment maximum Seasonal changes sediment minimum Log (TSM) Log (TSM) July 2005 September 2003 TSM Data used CoastColor products

9 Preliminary results Danube Delta

10 TSM distribution across different environments Total suspended matter mg/l Inorganic suspended matter mg/l

11 TSM distribution across different environments Total suspended matter mg/l Inorganic suspended matter mg/l

12 Sediment fluxes transfer to the Black Sea Danube plume Sentinel 3 OLCI image TSM C2RCC estimated concentration 11/05/2016 g/m3

13 Sediment fluxes - Sfantu Gheorghe plume Sentinel 3 OLCI image TSM C2RCC estimated concentration 11/05/2016 g/m3 g/m3

14 Depth Profiles in the Sfantu Gheorghe Plume, sampled May 2016 S002 S003 S004 S005 S TSM mg/l ISM mg/l CTD chlorophyll µg/l CTD turbidity FTU Data collected during the ReCoReD EuroFleets funded project

15 Next steps Understanding sediment flux by linking sedimentation depth profile patterns with satellite (MERIS and Sentinel 2 & 3) Need to incorporate validated Hydrodynamic Modelling Time series analysis for turbidity patterns Sentinel 2 and 3 for improved spatial resolution Further work: particle size and distribution, Chl a, CDOM

16 Thank you! Adriana Maria Constantinescu PhD Research Postgraduate Biological & Environmental Sciences Faculty of Natural Sciences University of Stirling GeoEcoMar Romania @Adriana_Maria_C

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