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River Health Programme
Sabie River

AQUATIC BIOMONITORING - HYDROLOGY

Hughes, D.A.

Note: all files in PDF format

CHAPTER 1. INTRODUCTION     (6 kB)

CHAPTER 2. FLOW REGIMES     (19 kB)
       2.1 Qualitative Descriptors
             2.1.1 Ephemeral
             2.1.2 Seasonal
             2.1.3 Permanent
       2.2 Time scales of variability
             2.2.1 Greater than annual
             2.2.2 Annual
             2.2.3 Monthly and less
       2.3 Quantitative Descriptors
             2.3.1 Single measures of variability
             2.3.2 Integrated measures of variability
             2.3.3 Extreme event analysis
             2.3.4 Time dependent measures (persistence analysis)
       2.4 Anthropogenic influences

CHAPTER 3. A HYDROLOGICAL INDEX APPROACH     (12 kB)

CHAPTER 4. AVAILABILITY OF SUITABLE FLOW DATA     (18 kB)
       4.1 Rainfall-runoff modelling
       4.2 Disaggregation of existing monthly time series
       4.3 Extrapolation from observed flow data in the vicinity
       4.4 Simple extrapolation from rainfall data
       4.5 Summary of recommended approaches

CHAPTER 5. USING A HYDROLOGICAL INDEX     (13 kB)
       5.1 Index A - Estimating antecedent conditions for the 3 months prior to sampling
       5.2 Index C - Estimating flow conditions at the time of sampling
       5.3 Index B - Estimating antecedent flood conditions for the 3 months prior to sampling

CHAPTER 6. CONCLUSIONS AND RECOMMENDATIONS     (8 kB)
       6.1 Development of suitable software

CHAPTER 7. REFERENCES     (6 kB)


for citation purposes:

NAEBP Report Series No 14
Hughes, D.A. 2000.
Aquatic Biomonitoring - Hydrology
Institute for Water Quality Studies, Department of Water and Sanitation, Pretoria, South Africa.