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Reconstruction of water balance components using tree‐ring proxy records
Author(s) -
Sane Iman,
Saghafian Bahram,
Hassanjabbar Amin
Publication year - 2020
Publication title -
water and environment journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 37
eISSN - 1747-6593
pISSN - 1747-6585
DOI - 10.1111/wej.12472
Subject(s) - streamflow , proxy (statistics) , water balance , dendrochronology , environmental science , precipitation , historical record , drainage basin , hydrology (agriculture) , water year , water resources , period (music) , climatology , physical geography , geography , geology , meteorology , archaeology , mathematics , history , cartography , statistics , ecology , geotechnical engineering , biology , memoir , art history , physics , acoustics
Long‐term hydrological data are important elements in water resource planning and management. The hydrometric data record period in Iran varies from a few years to about 60 years; generally inadequate for long‐term planning. Reconstruction of meteorological data using tree‐ring proxy records is a viable technique in extending meteorological data in the past (i.e. backcasting). This study reconstructed the precipitation and temperature data based on the tree‐ring proxy records over the 1710–2000 period in Kermanshah Province, Iran. Furthermore, using WASMOD water balance model, streamflow and other hydrological water balance components were reconstructed. In the study basin, the average monthly streamflows were determined as 6.25, 5.56 and 5.50 mm for the eighteenth, nineteenth and twentieth centuries, respectively. While the eighteenth century was the wettest, in nineteenth and twentieth centuries the streamflow reduced by an average of 14% compared to that of the eighteenth century.