Riparian Vegetation Classification Using the Dynamic Riparian Vegetation Model

Asaeda, Takashi; Nallaperuma, Bhagya; Baniya, Mahendra B.; Jayashanka, Senavirathna Mdh

doi:10.3850/38wc092019-0989

Cited by 1 publication

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“…Riparian area is a transitional semiterrestrial zone extending from the edges of water bodies to the edges of upland communities and regularly interacts with river water, flow alterations, sediment, and nutrients [2][3][4]. Flood disturbance is one of the major causes of vegetation mortality in the riparian zone either by inundation or bank erosion [5][6][7]. The morphological alterations in riparian area caused by a flood event either supports or suppresses the riparian vegetation, which depends also on the sediment grain sizes deposited on the original sediment surface or exposed of previous underlying also on the sediment grain sizes deposited on the original sediment surface or exposed of previous underlying sediment surface [8].…”

Section: Introductionmentioning

confidence: 99%

Mechanism of Riparian Vegetation Growth and Sediment Transport Interaction in Floodplain: A Dynamic Riparian Vegetation Model (DRIPVEM) Approach

Baniya

Asaeda

Fujino

et al. 2019

Water

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The ecological dynamics of riparian areas interact with sediment transport in river systems, which plays an active role in riparian vegetation growth in the floodplain. The fluvial dynamics, hydraulics, hydro-meteorological and geomorphological characteristics of rivers are associated with sediment transport in river systems and around the riparian area. The flood disturbance, sediment with nutrients and seeds transported by river, sediment deposition, and erosion phenomena in the floodplain change the bare land area to vegetation area and vice versa. The difference in riparian vegetation area in the river floodplain is dependent on the sediment grain size distribution which is deposited in the river floodplain. Mathematical models describing vegetation growth in a short period exist in literature, but long-term modelling and validations are still lacking. In order to cover long-term vegetation growth modelling, a Dynamic Riparian Vegetation Model (DRIPVEM) was proposed. This paper highlights the existing modelling technique of DRIPVEM coupled with a Dynamic Herbaceous Model used to establish the interactive relationship of sediment grain sizes and riparian vegetation in the floodplain.

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