What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain

Neil Sims; Martin Thoms

What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain

Neil Sims, Martin Thoms

Research output: A Conference proceeding or a Chapter in Book › Conference contribution

Abstract

The distribution of floodwaters and their average recurrence interval (ART) on the lower Balonne flood plain in semiarid Queensland, Australia, was mapped using 13 Landsat thematic mapper (TM) images. The vigour of vegetation growth was also mapped from a normalized difference vegetation index (NDVI) transformed "reference image" showing average pixel value between images captured over a period of nearly 10 years. The area of each NDVI class in each ARI zone was calculated. The largest proportion of vigorous vegetation occurred where flood frequency was between 1.25 and 1.75 years. The smallest proportion of vigorous vegetation occurred where flood frequency was low. Vegetation with very low growth vigour was common only where flooding occurred more frequently than once per year. Possible explanations for this relationship include reduced plant vigour due to soil anoxia, the impact of disturbance frequency on plant productivity, and pixel mixing at the vegetation/water boundary

Original language	English
Title of host publication	The Structure, Function and Management Implications of Fluvial Sedimentary Systems
Subtitle of host publication	Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002
Editors	Fiona J. Dyer, Martin C. Thoms, Jon M. Olley
Place of Publication	Oxfordshire
Publisher	International Association of Hydrological Sciences
Pages	195-202
Number of pages	8
Volume	276
ISBN (Print)	9781901502961
Publication status	Published - 2002
Event	International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems - Alice Springs, Alice Springs, Australia Duration: 2 Sep 2002 → 6 Sep 2002

Conference

Conference	International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems
Country	Australia
City	Alice Springs
Period	2/09/02 → 6/09/02

Access to Document

http://hydrologie.org/redbooks/a276/iahs_276_195.pdf

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Sims, N., & Thoms, M. (2002). What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain. In F. J. Dyer, M. C. Thoms, & J. M. Olley (Eds.), The Structure, Function and Management Implications of Fluvial Sedimentary Systems : Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002 (Vol. 276, pp. 195-202). International Association of Hydrological Sciences. http://hydrologie.org/redbooks/a276/iahs_276_195.pdf

Sims, Neil ; Thoms, Martin. / What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain. The Structure, Function and Management Implications of Fluvial Sedimentary Systems : Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002. editor / Fiona J. Dyer ; Martin C. Thoms ; Jon M. Olley. Vol. 276 Oxfordshire : International Association of Hydrological Sciences, 2002. pp. 195-202

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abstract = "The distribution of floodwaters and their average recurrence interval (ART) on the lower Balonne flood plain in semiarid Queensland, Australia, was mapped using 13 Landsat thematic mapper (TM) images. The vigour of vegetation growth was also mapped from a normalized difference vegetation index (NDVI) transformed {"}reference image{"} showing average pixel value between images captured over a period of nearly 10 years. The area of each NDVI class in each ARI zone was calculated. The largest proportion of vigorous vegetation occurred where flood frequency was between 1.25 and 1.75 years. The smallest proportion of vigorous vegetation occurred where flood frequency was low. Vegetation with very low growth vigour was common only where flooding occurred more frequently than once per year. Possible explanations for this relationship include reduced plant vigour due to soil anoxia, the impact of disturbance frequency on plant productivity, and pixel mixing at the vegetation/water boundary",

author = "Neil Sims and Martin Thoms",

year = "2002",

language = "English",

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volume = "276",

pages = "195--202",

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booktitle = "The Structure, Function and Management Implications of Fluvial Sedimentary Systems",

publisher = "International Association of Hydrological Sciences",

note = "International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems ; Conference date: 02-09-2002 Through 06-09-2002",

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Sims, N & Thoms, M 2002, What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain. in FJ Dyer, MC Thoms & JM Olley (eds), The Structure, Function and Management Implications of Fluvial Sedimentary Systems : Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002. vol. 276, International Association of Hydrological Sciences, Oxfordshire , pp. 195-202, International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems, Alice Springs, Australia, 2/09/02. <http://hydrologie.org/redbooks/a276/iahs_276_195.pdf>

What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain. / Sims, Neil; Thoms, Martin.

The Structure, Function and Management Implications of Fluvial Sedimentary Systems : Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002. ed. / Fiona J. Dyer; Martin C. Thoms; Jon M. Olley. Vol. 276 Oxfordshire : International Association of Hydrological Sciences, 2002. p. 195-202.

Research output: A Conference proceeding or a Chapter in Book › Conference contribution

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AU - Thoms, Martin

PY - 2002

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N2 - The distribution of floodwaters and their average recurrence interval (ART) on the lower Balonne flood plain in semiarid Queensland, Australia, was mapped using 13 Landsat thematic mapper (TM) images. The vigour of vegetation growth was also mapped from a normalized difference vegetation index (NDVI) transformed "reference image" showing average pixel value between images captured over a period of nearly 10 years. The area of each NDVI class in each ARI zone was calculated. The largest proportion of vigorous vegetation occurred where flood frequency was between 1.25 and 1.75 years. The smallest proportion of vigorous vegetation occurred where flood frequency was low. Vegetation with very low growth vigour was common only where flooding occurred more frequently than once per year. Possible explanations for this relationship include reduced plant vigour due to soil anoxia, the impact of disturbance frequency on plant productivity, and pixel mixing at the vegetation/water boundary

AB - The distribution of floodwaters and their average recurrence interval (ART) on the lower Balonne flood plain in semiarid Queensland, Australia, was mapped using 13 Landsat thematic mapper (TM) images. The vigour of vegetation growth was also mapped from a normalized difference vegetation index (NDVI) transformed "reference image" showing average pixel value between images captured over a period of nearly 10 years. The area of each NDVI class in each ARI zone was calculated. The largest proportion of vigorous vegetation occurred where flood frequency was between 1.25 and 1.75 years. The smallest proportion of vigorous vegetation occurred where flood frequency was low. Vegetation with very low growth vigour was common only where flooding occurred more frequently than once per year. Possible explanations for this relationship include reduced plant vigour due to soil anoxia, the impact of disturbance frequency on plant productivity, and pixel mixing at the vegetation/water boundary

M3 - Conference contribution

SN - 9781901502961

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BT - The Structure, Function and Management Implications of Fluvial Sedimentary Systems

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A2 - Thoms, Martin C.

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PB - International Association of Hydrological Sciences

CY - Oxfordshire

T2 - International Symposium on the Structure, Function and Management Implications of Fluvial Sedimentary Systems

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Sims N, Thoms M. What happens when flood plains wet themselves: vegetation response to inundation on the lower Balonne flood plain. In Dyer FJ, Thoms MC, Olley JM, editors, The Structure, Function and Management Implications of Fluvial Sedimentary Systems : Proceedings of an international symposium held at Alice Springs, Australia, September 2002). IAHS Publ. no. 276. 2002. Vol. 276. Oxfordshire : International Association of Hydrological Sciences. 2002. p. 195-202