期刊
COMPTES RENDUS GEOSCIENCE
卷 338, 期 5, 页码 319-328出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crte.2006.02.011
关键词
water temperature; global warming; multiple regression analysis; River Loire; influence of the Beauce aquifer
Analysis of monthly mean river temperatures, recorded on an hourly basis in the middle reaches of the Loire since 1976, allows reconstruction by multiple linear regression of the annual, spring and summer water temperatures from equivalent information on air temperatures and river discharge. Since 188 1, the average annual and summer temperatures of the Loire have risen by approximately 0.8 degrees C. this increase accelerating since the late 1980s due to the rise in air temperature and also to lower discharge rates. In addition. the thermal regime in the Orleans to Blois reach is considerably affected by the inflow of groundwater from the Calcaires de Beauce aquifer, as shown by the summer energy balance.
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