EFFECT OF CLIMATE CHANGE ON FOREST HYDROLOGY: EVIDENCE FROM A RAINFALL INTERCEPTION LOSS STUDY IN A SEMIARID CLIMATE ZONE

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Sadeghi M.Moein; ATTAROD P.; ALIJANI V.

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Paper Information

Seminar: WATER: SOURCE OF LIFE
Year:2015 | Issue:1

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Title

EFFECT OF CLIMATE CHANGE ON FOREST HYDROLOGY: EVIDENCE FROM A RAINFALL INTERCEPTION LOSS STUDY IN A SEMIARID CLIMATE ZONE

Author(s)

Sadeghi M.Moein | ATTAROD P. | ALIJANI V. | Issue Writer Certificate

Keywords

CANOPY STORAGE CAPACITY

CUPRESSUS ARIZONICA

PINUS ELDARICA

WATER INPUT

Abstract

FROM 30 JANUARY 2011 TO 30 JANUARY 2012, WE MEASURED THE RAINFALL INTERCEPTION AND CANOPY STORAGE CAPACITY OF INDIVIDUAL TREES OF PINUS ELDARICA AND CUPRESSUS ARIZONICA PLANTED IN THE CHITGAR FOREST PARK, NEAR TEHRAN, IRAN. CANOPY STORAGE CAPACITY WAS ESTIMATED BY FOUR COMMON INDIRECT METHODS. THE CUMULATIVE MEAN VALUES OF RELATIVE PERCENTAGE OF INTERCEPTION FOR P. ELDARICA AND C. ARIZONICA TREES AVERAGED 44.2%, AND 34.4%, RESPECTIVELY. FOR P. ELDARICA, CANOPY STORAGE CAPACITY WAS ESTIMATED TO BE 1.06 MM VS.0.55 MM FOR C. ARIZONICA TREES. THE STUDY PROPOSES IN THIS CLIMATE DOMINATED BY SMALL STORMS, PLANTING C. ARIZONICA IS PREFERABLE TO P. ELDARICA. THE GREATER INTERCEPTION LOSSES BY P. ELDARICA TREES SUGGESTS THAT IN CLIMATES THAT ARE DOMINATED BY SMALL STORMS, THE PLANTING OF P. ELDARICA TREES RELATIVE TO C. ARIZONICA TREES, WILL HAVE A SIGNIFICANT IMPACT ON THE HYDROLOGY OF THE WATERSHED. HISTORICAL CLIMATE OF THE REGION ALSO INDICATES THAT 25 RAINFALL EVENTS (I.E., 34% OF THE TOTAL NUMBER OF YEARLY STORMS) ARE LESS THAN THE CANOPY SATURATION POINT OF P. ELDARICA TREES, 1.4 MM. FURTHERMORE, DURING THE PREVIOUS DECADE, THE NUMBER OF THE RAINFALL EVENTS LOWER THAN 1.4 MM INCREASED FROM 20 DAYS TO 26 DAYS. THIS IMPLIES, THAT OVER THE 10 YEARS, THE NUMBER OF SMALL STORMS IS INCREASING. THEREFORE, IF FUTURE CLIMATE IN THE REGION RESULTS IN MORE FREQUENT AND SMALL STORMS, THEN AREAS WITH P. ELDARICA WILL EXPERIENCE MORE EVAPORATIVE LOSS RELATIVE TO C. ARIZONICA. IF P. ELDARICA IS PLANTED INSTEAD OF C. ARIZONICA WITHIN A SEMIARID REGION WITH FREQUENT SMALL RAINFALL EVENTS, IT IS PLAUSIBLE THAT THESE AREAS WILL EXPERIENCE REDUCTION AVAILABLE WATER BECAUSE OF INCREASED EVAPORATIVE LOSS.

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APA: Copy

Sadeghi, M.Moein, ATTAROD, P., & ALIJANI, V.. (2015). EFFECT OF CLIMATE CHANGE ON FOREST HYDROLOGY: EVIDENCE FROM A RAINFALL INTERCEPTION LOSS STUDY IN A SEMIARID CLIMATE ZONE. WATER: SOURCE OF LIFE. SID. https://sid.ir/paper/927758/en

Vancouver: Copy

Sadeghi M.Moein, ATTAROD P., ALIJANI V.. EFFECT OF CLIMATE CHANGE ON FOREST HYDROLOGY: EVIDENCE FROM A RAINFALL INTERCEPTION LOSS STUDY IN A SEMIARID CLIMATE ZONE. 2015. Available from: https://sid.ir/paper/927758/en

IEEE: Copy

M.Moein Sadeghi, P. ATTAROD, and V. ALIJANI, “EFFECT OF CLIMATE CHANGE ON FOREST HYDROLOGY: EVIDENCE FROM A RAINFALL INTERCEPTION LOSS STUDY IN A SEMIARID CLIMATE ZONE,” presented at the WATER: SOURCE OF LIFE. 2015, [Online]. Available: https://sid.ir/paper/927758/en

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