Nagy László (szerk.): A vízgazdálkodás fejlődése (TIT, Budapest, 1970)
X. Mellékletek
1. LIST OF FIGURES Fig. 1. Interpretation of the hydrological cycle 21 Fig. 2. Natural and social circulation of water 21 Fig. 3. Average annual water household of the main continents 23 Fig. 4. Average annual evaporation of the oceans and the continents 24 Fig. 5. The dissolving capacity of water 35 Fig. 6. Water content body parts 39 Fig. 7. The prouping of water management tasks 45 Fig. 8. Factors influencing the development of the river system and their interrelations ’ 81 Fig. 9. Drainage basin of the Danube upstream the Tisza mouth 83 Fig. 10. Topography and river'system of the Danube basin 85 Fig. 11. Development of the Danube river system. Topography in the Eocene, 50—60 million years ago 98 Fig. 12. Development of the Danube river system. Distribution of land and sea in the Miocene, 20 million years ago 99 Fig. 13. Development of the Danube river system. The Pannonian inland sea 101 Fig. 14. River system of the Carpathian basin in the early Pleistocene, 1—1.5 million years ago 101 Fig. 15. River system towards the end of the Pleistocene 102 Fig. 16. Precipitation in the Danube basin (normal values in mm) 103 Fig. 17. The average occurrence of rainless periods exceeding 12 and 20 days respectively, in the Plains for each- month of the year (continuous lines) and similar data for the Trans-Tisza region showing dry periods exceeding 12, 20 and 30 days, not interrupted by precipitations more than 1 mm (dotted lines) 106 Fig. 18. Maximum precipitations to be expected during 1, 2, 3,... 6-day periods in the middle part of the Trans-Tisza region, calculated for months of the period 1912—1941. 108 Fig. 19. Rainfall in mm and intensity in litres per hectare and second of rainstorms with varying duration and frequency in Budapest for the years 1911—1951 (Values attained or exceeded every 1, 2 or 4 years on the average) 108 Fig. 20. The average dates of snow cover appearance and disappearance in the Danube basin as a function of the elevation 110 Fig. 21. Average value of maximum annual snow depth at various elevations 110 Fig. 22. The decrease of annual mean air temperature with increasing elevations in the Danube basin 112 Fig. 23. Average, minimum and maximum values of 5-day mean air temperatures in the winter half-year; usual and potential periods of ice occurrence 114 Fig. 24. Mean discharges of the Danube from its origin to the Tisza River mouth 119 Fig. 25. Mean discharges of the Tisza River 120 Fig. 26. Mean monthly discharges of some Hungarian rivers expressed in percentage of the normal value of mean discharge 121 866
