299

Geomorphological Processes
and Human Impacts in River Basins

Edited by Ramon J. Batalla & Celso Garcia

IAHS Publ. 299 (October 2005) ISBN 1-901502-28-7, 244 + xii pp. Price £47

Progress towards a present-day diagnosis of, and future strategies for, environmental management of rivers and catchments, with particular reference to Mediterranean (semiarid) environments.

Geomorphological processes at both the basin and the river levels, and their interactions and relations with human activities that interfere with them, are explored. At the basin scale, the contributions cover runoff and erosion on the slopes, including the role of forest fires, sediment supply from mass movements, basin sediment yield, water quality in agricultural areas and desertification. At the river scale, suspended sediment and bed load transport, and the relationship between river process and human actions such as channelization, impoundment, gravel-mining, disturbance of riparian forest and agriculture, are tackled. Methodologies employed to assess the problems addressed include modelling-approaches, sediment transport and reservoir sedimentation techniques, and lichenometry.

Abstracts of the papers in this volume can be seen at:

www.iahs.info

with information about other IAHS publications and IAHS activities

A collection of excellent papers selected from the International Conference on River and Catchment Dynamics: Natural Processes and Human Impacts at the Forestry Institute of Catalonia, in Solsona (Spain, May 2004). The conference was organized as a tribute to Maria Sala and held on the occasion of her retirement.

Contents

Preface by Ramon J. Batalla and Celso Garcia		v
1	Slope Processes and Impacts
Modelling hillslope connectivity and channel interactions in semiarid areas: implications for hillslope restoration following land abandonment Mike Kirkby & Louise Bracken (keynote lecture)		3
Surface erosion assessment in two Calabrian basins (southern Italy) Loredana Antronico, Roberto Coscarelli & Oreste Terranova		16
Methods for the characterization of areas sensitive to desertification: an application to the Calabrian territory (Italy) Roberto Coscarelli, Ivana Minervino & Marino Sorriso-Valvo		23
Runoff and soil moisture relationships in a small forested basin in the Sistema Central Ranges (Spain) José Martínez-Fernández, Antonio Ceballos, Segismundo Casado, Carlos Morán & Virginia Hernández		31
The effect of wildfire intensity on soil aggregate stability in the Cadiretes Massif, NE Spain Xavier Úbeda & Sara Bernia		37
Sediment delivery from a landslide to a stream in a drainage basin in Hong Kong Mervyn R. Peart, Mark E. Ruse & Lincoln Fok		46
Targetting erosion control in large river systems using spatially distributed sediment budgets Scott N. Wilkinson, Jon M. Olley, Ian P. Prosser & Arthur M. Read		56
2	Catchment Hydrology and Water Quality
The effects over time of an arterial drainage scheme on the flood magnitude–return period relations Keshav P. Bhattarai & Kieran M. O’Connor		67
Modelling the hydraulic regime and the water quality of Sebou River (Morocco): first results Mohammed Igouzal, Jean M. Mouchel, Karim Tamoh & Abdellatif Maslouhi		75
Phosphorus concentrations of brook runoff in a Swiss agricultural catchment: longitudinal variability and subsurface drainage impact Rainer Weisshaidinger, Bernd Hebel, Petra Ogermann, Philipp Schneider, Christian Katterfeld & Randy Koch		81
3	Suspended Sediment Transport and Yield
Comparison of a neural network and a regression model to estimate suspended sediment in a semiarid basin Susanne Schnabel & Marco Maneta		91
Suspended sediment transport and trapping processes in the regulated lower Durance River, southeastern France Emmanuel Ribes & Mireille Provansal		101
Seasonal suspended sediment concentrations and their relationship with discharge in the Anoia river basin, NE Spain Joaquim Farguell & Maria Sala		111
Monitoring suspended sediment fluxes in the Na Borges basin, Mallorca, Spain Joan Estrany & Celso Garcia		117
Assessment of sediment yield of watersheds by means of reservoir survey and simulation modelling in Brazilian semiarid environment José C. de Araújo & Donald W. Knight		124
Patterns of suspended sediment transport in two forested Mediterranean mountainous basins (Ribera Salada, Catalan Pre-Pyrenees, NE Spain) J. Carles Balasch, Ramon J. Batalla, Rosa M. Poch & Damia Vericat		131
4	Bed load Transport and River–Channel Processes
Estimating the transport of bed material at low rate in gravel armoured channels Michael Church & Marwan Hassan (keynote lecture)		141
Geomorphologic units and sediment transport in a very low relief basin: Rio Quequén Grande, Argentina Liliana B. Teruggi, Gustavo A. Martinez, Paolo Billi & Emanuele Preciso		154
Determining the competence of mountainous Mediterranean streams using lichenometric techniques Frederic Gob, Nicolas Jacob, Jean-Paul Bravard & Francois Petit		161
Bed load under low sediment transport in a large regulated river: the lower Ebro, NE Spain Damia Vericat & Ramon J. Batalla		171
A particle-size sediment budget for a Mediterranean river (the lower Tordera, northeastern Spain) Albert Rovira		179
5	River Dynamics and Impacts
Accumulation of sediments within the channelized reach of the Upper Odra River, Poland Czajka Agnieszka		191
Anthropogenic impacts on sediment discharge in the dry-hot valleys of SW China—the example of Longchuanjiang Xi Xi Lu, Yunmei M. Zhu & Yue Zhou		197
The change in flood regime along the Lower Jordan River: its influence on floodplain agricultural land use Micha Klein		205
Downstream effects of river impoundment on hydrological and geomorphological aspects of bedrock rivers (Golan Heights, Israel) Nurit Shtober-Zisu & Moshe Inbar		217
A proposed index of channel sensitivity to riparian disturbance Chad E. Bailey, Robert G. Millar & Michael Miles		223
Channel morphology and sedimentology in mountainous channel: a comparison between disturbed and undisturbed reaches Lea Wittenberg & Noam Greenbaum		231

Key word index		243
Author index		245