Effect of large scale afforestation on Tarawera flows / A. Dons
By: Dons, A.
Contributor(s): Water Quality Centre (Hamilton, N.Z.).
Series: Internal report / Water Quality Centre, Hamilton: no. 84/5Publisher: Hamilton, N.Z. : Hamilton Science Centre, 1984Description: 22 leaves ; 30 cm.Report number: HPW-IR--84/05Subject(s): AFFORESTATION | TARAWERA RIVER | RIVER FLOW | CALIBRATION | NEW ZEALAND | WATER QUALITY | HYDROLOGY | WATER FLOW | CATCHMENTS | BAY OF PLENTY | RAINFALL | FLOW MEASUREMENT | REGRESSION ANALYSIS | MATHEMATICAL MODELS | FLOWS In: Internal report / Water Quality Centre, HamiltonSummary: Recent (1972-1981) annual, summer and winter flows in the Tarawera river were 6.9 m3/s (20%), 7.0 m3/s (22%) and 8.4 m3/s (22%) less than an earlier calibration period (1949-1963). Afforestation of 250 km2 within the 906 km2 catchment could account for 2.9 m3/s - 5.0 m3/s of the decrease, which was 9% - 14% of the expected flow. This result agrees with the results of small catchment studies.Item type | Current library | Call number | Copy number | Status | Date due | Barcode | |
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JOURNAL | WELLINGTON STACK | STACK NO. 84/5 | 1 | Available | J018020 |
Recent (1972-1981) annual, summer and winter flows in the Tarawera river were 6.9 m3/s (20%), 7.0 m3/s (22%) and 8.4 m3/s (22%) less than an earlier calibration period (1949-1963). Afforestation of 250 km2 within the 906 km2 catchment could account for 2.9 m3/s - 5.0 m3/s of the decrease, which was 9% - 14% of the expected flow. This result agrees with the results of small catchment studies.
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