International Association of Hydrological association (http://iahs.info)
LIST of High level Journals in Hydrology and climatology:
Journal of Geophysical researches (http://agupubs.onlinelibrary.wiley.com/agu/jgr/journal/10.1002/(ISSN)2156-2202)
Water Resources Research (http://agupubs.onlinelibrary.wiley.com/agu/journal/10.1002/(ISSN)1944-7973)
Journal of Hydrology (http://www.sciencedirect.com/science/journal/00221694)
Hydrology and Earth System Sciences HESS (http://www.hydrol-earth-syst-sci.net/volumes_and_issues.html)
Journal of Hydrologic Engineering (http://ascelibrary.org/journal/jhyeff)
Journal of Climate (http://journals.ametsoc.org/loi/clim)
Climatic change (http://link.springer.com/journal/10584)
Climate Dynamics (http://link.springer.com/journal/382)
Journal of Hydrometeorology (http://journals.ametsoc.org/loi/hydr)
International Journal of Climatology (http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1097-0088)