sediment management for a living river - the lahn river case · 2017. 7. 4. · „lila - living...
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![Page 1: Sediment management for a living river - the Lahn River case · 2017. 7. 4. · „LiLa - Living Lahn“ SedNet 2017 Genua, .15 JUNE 2017 Sediment management for a living river -](https://reader036.vdocuments.site/reader036/viewer/2022062610/612578e7abc0ed312247a61d/html5/thumbnails/1.jpg)
„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment management for a living river - the Lahn River case Alexandra Brinke, Denise Spira, Michael Schleuter, Georg Reifferscheid, Peter Heininger & Ute Feiler Federal Institute of Hydrology, Germany
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Starting point for LiLa
Project Location Lahn River
Rhineland- Palatinate
Hesse
North Rhine-Westphalia
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Starting point for LiLa
New National Navigation Concept
minor waterway that carries no freight today
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Starting point for LiLa
Ecological status under WFD ecological status and potential
"unsatisfactory" or "bad”
Rhineland- Palatinate
Hesse
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Starting point for LiLa
LiLa-Living Lahn “One river, many interests”
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Starting point for LiLa
Rhineland-Palatinate
Hesse Federal Authorities
Integrated EU-LIFE-Project
„LiLa-Living Lahn River“
Duration:
10 years (2015 bis 2025)
Budget:
15.7 Mio. Euro
(EU-Contribution 8.5 Mio. Euro)
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Ecological upgrading/ Renaturalization measures
(WFD and Natura 2000)
Development concept for the Lahn river
Cross-administrative collaboration in regional
projects
Main topics in LiLa…
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Ecological upgrading/ Renaturalization measures
(WFD and Natura 2000)
Ecological upgrading/Renaturalization measures in the context of WFD and Natura 2000… − Prevention and control of invasive plant species − a turbine management at hydroelectric power plants to protect migrating blank eels − supporting measures for endangered fish species (grayling and gib head) − improvement of flooding situation by creation of new retention areas − Structural improvement measures on the Lahn and its floodplains − PCB and dioxin pollution in the tributary Gelbach river − Sediment management concept and monitoring
Main topics in LiLa…
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Measures of the BfG in LiLa
Sediment cadastre
Aims: Determination of status quo of sediment-quality to
give an overview on remediation needs and possibilities pinpoint “pollution hot-spots”, build-up a database
Serves as basis for the development of the sediment management concept
precondition of the sediment monitoring Method: physicochemical, chemical und ecotoxicological characterization of sediments Sampling campaign over 3 years
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment-management-concept
Measures of the BfG in LiLa
Sediment cadastre
Aims: Offer solutions to handle
(contaminated) sediments basis and decision guidance regarding
the implementation of measures Method: Established sediment management
concepts serve to provide useful guidance Identification of qualitative
indicators (e.g. relevant pollutants) Proper sediment classification
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment monitoring
Sediment cadastre
Sediment management concept Aim: Success control sediment-management concept Method: Analysis of sediment quality before, during and after a measure provides information on a possible improvement of the chemical status of the waters
Measures of the BfG in LiLa
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment monitoring
Sediment cadastre
project start: 2015
project end: 2025
: Sediment management concept
Measures of the BfG in LiLa
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment-cadaster
Informations by regional authorities on existence of discharges (e.g.wastewater treatment plants)
Sediment cadastre
Literatur research on known „pollution hot-
spots“
Analyses of aerial images: locks, mouth of tributaries , ports/marinas,backwaters, population density and agriculture
Identification of potential reference
monitoring sites
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
First sampling campaign: 2016/07-09
Sediment-cadaster
18 sites upper Lahn
river
34 sites (navigable) waterway
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment-cadaster
Sediment cadastre
Identification of potential reference
monitoring sites
Sediment quality assessment
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment-cadaster
Sediment cadastre
Identification of potential reference
monitoring sites
Sediment quality assessment
Determination of screening parameters
Physicochemical and chemical
sediment properties
ecotoxicological- effect assessment
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment parameters grain size distribution Dry residue TOC nutrients Ntotal, Stotal
pH-value conductivity temperatur redox potential
Organic compounds petroleum-derived hydrocarbons PAK PCB organochlorine pesticides organotin compounds PCDD/PCDF dl PCB PBDE octyl- und Nonylphenols
Metall(oid)s arsenic
lead
cadmium
chromium (total)
copper
nickel
mercury
zinc
Sediment-cadaster
Determination of screening parameters
Physicochemical and chemical
sediment properties
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
porewater /eluate
Sediment-cadaster
ecotoxicological- effect assessment
Determination of screening parameters
whole sediment
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
EQS value
Are outlier potential „pollution hot-spots“?
µg
/kg
TS
Sediment-cadaster
Physicochemical and chemical
sediment properties preliminary results
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Sediment-cadaster
ecotoxicological- effect assessment
preliminary results
pT value
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
18 sites upper Lahn
river
34 sites (navigable) waterway
next sampling campaign 2017/07-08
Outlook
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„LiLa - Living Lahn“ SedNet 2017
Genua, .15 JUNE 2017
Many thanks for your attention…
http://www.lila-livinglahn.de