The four volumes in this set cover major aspects of hydrology and water resources, including surface water hydrology, subsurface water hydrology, water quality hydrology, and water resources planning management. Some of the articles and state-of-the-art papers have been written by leading experts from around the globe. The books reflect the water resources technology as practised in India and the Indian subcontinent which would be of great value to water resources professionals in the west. The books are of interest to academicians, graduate students, practising engineers, water engineers, as well as water policy makers. Those wishing to further pursue the topics covered will find the books to be of special interest and value.