New method of calculating water balance for the Castle Hill, Buda

In the previous centuries, a lot of energies were expended on the scientific knowledge of the Castle Hill, Buda, declared a part of the World Heritage, however only few scientist carried out researches on the hydrogeology of the Hill and out of them only the results of Kessler's studies survived in a systematized form. The author has been dealing with the hydrologic and hydrogeologic investigation of the Castle Hill nearly for ten years. The present paper is a part of his PhD thesis in preparation on the water balance model of the whole of the Hill.