hints from the daimon project - helcom 6-2018-539...2018/04/05 · hints from the daimon project...
TRANSCRIPT
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Hints from the DAIMON project
M.Sc. MICHAŁ CZUB | Institute of Oceanology, Polish Academy of Sciences
Prof. JACEK BEŁDOWSKI
HELCOM SUBMERGED 04.05.2018
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Munition Status Examination
Modelling of possible release
Pollution of sediments and water
Impact on biota assessment
Risk categorization procedure
PILOTSTUDIES
S/YOceania,R/VWaltherHerwigIII,R/VAranda
SURVEYS
S/YOceania,R/VImor,R/VWaltherHerwigIII,R/VLittorina,R/VAranda,R/VAkademik NikolayStrakhov
MAINAREASOFINTEREST
BornholmDeep– CWdumpsite | Kolberger Heide - Explosivesdumpsite | Skagerrak - Wrecks
ADDITIONALAREASOFINTEREST
Gdańsk Deep– CW,GulfofFinland– Explosives
EQUIPMENT
ROV– RemotelyOperatedVehicle,AUV - AutonomousUnderwaterVehicle(+magnetometer),SSS - SideScanSonar
Progress in bottom mapping
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Habitat description
CWA Dumpsites
BornholmDeep
GotlandDeep
GdańskDeep
CWDumpsites
70mdepth
Hypoxiczonesin2012
Anoxiczonesin2012
50 100 250km
0 100km25 50
Balti
cSea
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Bornholm Deep
Blablabla+ corrosion studies
+ passive samplers
Kolberger Heide
+ caging experiments
+ biomarkers research
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Skagerrak
+ NEMO – ocean model
+ VRAKA model
+ bioaccummulation
CWA detection in sediments + High Res. Model
Initial state and situation after about ~100 seconds of estimated potential leakage.Horizontal and vertical axes represent distance in relative units. Color scale can beinterpreted as the level of contamination.
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Passive samplers
March – April 2018 (approx., 28 days)
Daphnia magna
Phenyldichlorarsine – Pfiffikus – 50% – LC50 = 125 µg∙dm⁻³
Diphenylchlorarsine – Clark I – 35% – LC50 = 38,2 µg∙dm⁻³ ± 1,507
Triphenylarsine – TPA – 5% – NOEC = 4 mg∙dm⁻³ (max. solubility)
Arsine trichloride– 5% – LC50 = 10 mg∙dm⁻³
Arsine oil – LC50 = 110 µg∙dm⁻³ (35% ∙ 110 = 38,5 µg∙dm⁻³)
Lewisite A, B, C – LC50 = 11,731 µg∙dm⁻³
Adamsite – LC50 = 46,726 µg∙dm⁻³
Lewisite, Clark I, Adamsite, PDCA and Arsine Oil remain very toxic when transferred into aquatic systems.
TPA has no toxic effects, while AsCl3 is potentially harmful.
Toxicity studies
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Fish studies
DSS – Decision Supporting System
https://shared.egeos.de/amucad/english/#g=1&p=map
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Blimp
Next DAIMON meeting
Klajpeda / Lithuania: 26.09.2018 – 28.09.2018
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Thank you.