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Pregled bibliografske jedinice broj: 1025362

An index to assess the success of river and floodplain restoration


Fuller, Ian; Death, Russell; Garcia, Horacio; Trenc, Neven; Matoš, Bojan
An index to assess the success of river and floodplain restoration // International Society for River Science - Riverine landscapes as coupled socio-ecological systems
Beč: Institute of Hydrobiology and Aquatic Ecosystem Management at the University of Natural Resources and Life Sciences (BOKU) in cooperation with the International Association for Danube Research (IAD), Vienna, Austria, 2019. str. 73-73 (predavanje, međunarodna recenzija, sažetak, znanstveni)


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Naslov
An index to assess the success of river and floodplain restoration

Autori
Fuller, Ian ; Death, Russell ; Garcia, Horacio ; Trenc, Neven ; Matoš, Bojan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
International Society for River Science - Riverine landscapes as coupled socio-ecological systems / - Beč : Institute of Hydrobiology and Aquatic Ecosystem Management at the University of Natural Resources and Life Sciences (BOKU) in cooperation with the International Association for Danube Research (IAD), Vienna, Austria, 2019, 73-73

Skup
6th biennial Symposium of the International Society for River Science

Mjesto i datum
Beč, Austrija, 8-13.09.2019

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
River ; Floodplains ; Equilibrium ; Natural Character Index (NCI) ; LiDAR ; New Zealand ; Spain ; Croatia

Sažetak
How should the success of river and floodplain restoration be assessed? We contend that the benchmark for restoration should be the river in its natural condition prior to modification. The pre-modification condition of the river represents the natural pseudo-equilibrium state in which the river accommodates and adjusts to catchment water and sediment fluxes. The resulting assemblage of river landforms (e.g. bars, channels, cut-banks, backwaters, floodplains) is in balance with the prevailing flood regime and sediment supply. Furthermore, these equilibrium forms are able to adjust to changes in e.g. flood magnitude and frequency via e.g. channel expansion and / or contraction. A restored river is one that has the capacity to adjust its form. It behoves river restoration to understand the history and trajectory of pre-modification channels, so that the 'right' river type can be restored. To assess the success of restoration, we propose the use of a natural character index (NCI). The NCI is simply the ratio between a parameter which describes the form and function of a river now and the same parameter measured at a point or points in time past. Example parameters include sinuosity, floodplain width, active channel width, bar area (at a given flow), riparian vegetation. Measurement of these parameters utilises a combination of aerial photos, archive maps and LiDAR-derived terrain models, the availability of which necessarily limits and determines what parameters can be used in assessment of a site NCI. LiDAR in particular provides an opportunity to comprehend pre-modification river and floodplain character. We illustrate the NCI concept and its potential for use in assessing restoration using examples from New Zealand, Spain and Croatia.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Ustanove
Rudarsko-geološko-naftni fakultet, Zagreb,
Sveučilište u Zagrebu

Profili:

Avatar Url Bojan Matoš (autor)

Avatar Url Neven Trenc (autor)

Citiraj ovu publikaciju

Fuller, Ian; Death, Russell; Garcia, Horacio; Trenc, Neven; Matoš, Bojan
An index to assess the success of river and floodplain restoration // International Society for River Science - Riverine landscapes as coupled socio-ecological systems
Beč: Institute of Hydrobiology and Aquatic Ecosystem Management at the University of Natural Resources and Life Sciences (BOKU) in cooperation with the International Association for Danube Research (IAD), Vienna, Austria, 2019. str. 73-73 (predavanje, međunarodna recenzija, sažetak, znanstveni)
Fuller, I., Death, R., Garcia, H., Trenc, N. & Matoš, B. (2019) An index to assess the success of river and floodplain restoration. U: International Society for River Science - Riverine landscapes as coupled socio-ecological systems.
@article{article, year = {2019}, pages = {73-73}, keywords = {River, Floodplains, Equilibrium, Natural Character Index (NCI), LiDAR, New Zealand, Spain, Croatia}, title = {An index to assess the success of river and floodplain restoration}, keyword = {River, Floodplains, Equilibrium, Natural Character Index (NCI), LiDAR, New Zealand, Spain, Croatia}, publisher = {Institute of Hydrobiology and Aquatic Ecosystem Management at the University of Natural Resources and Life Sciences (BOKU) in cooperation with the International Association for Danube Research (IAD), Vienna, Austria}, publisherplace = {Be\v{c}, Austrija} }