Nagy László (szerk.): A vízgazdálkodás fejlődése (TIT, Budapest, 1970)

X. Mellékletek

Fig. 161. Rowing is on agreeable pastime 541 Fig. 162. Many tourists pay a visit to the Danube bend 542 Fig. 163. Lake Balaton offers good opportunities for resort 543 Fig. 164. Lake Balaton is a home for sailing 547 Fig. 165. The beach is attracting the children 551 Fig. 166. Aquaplane is becoming increasingly popular 553 Fig. 167. New beaches are developed 555 Fig. 168. Danube stages are also subject to changes 563 Fig. 169. Treated sewage is a contribution to utilizoble water resources 571 Fig. 170. Wells are the usual means to exploit subsurface waters 574 Fig. 171. By means of sluices, water may be diverted to drought areas 577 Fig. 172. During the summer of 1963, there was hardly any water in the Tisza bed 580 Fig. 173. The water demand of swimming pools should be taken into account too 582 Fig. 174. Kisköre barrage now in progress will reduce water deficiency in the Tisza basin 592 Fig. 175 The storage of water from snowmelt helps to meet summer water demands 602 Fig. 176. The Bökény weir on the Körös River was built around the turn of the century 619 Fig. 177. Flood protection calls sometimes for special skill 630 Fig. 178. The armed forces take their share from flood protection 642 Fig. 179. Waterworks built in a remote valley of the Mátra Mountains 636 Fig. 180. Also the militia take their part in flood protection in the hours of danger 644 Fig. 181. Mosquito killing near waters is the duty of public-health organs 645 Fig. 182. Incidental evacuation is assisted by organs of the Ministry of In­terior and of the councils 646 Fig. 183. People participating in flood protection are catered by the home trade 649 Fig. 184. The laws of hydraulics are harmonically illustrated by fountains 656 Fig. 185. A water license is required to construct and operate waterworks 662 Fig. 186. New hydraulic constructions are characterized by the use of modern control equipment 670 Fig. 187. Progress is also illustrated by the growing number of „dwarf water­works" engine houses 681 Fig. 188. Municipal waterworks are operated by Waterworks Companies of the local councils 687 Fig. 189. In some places, iron and manganese must be removed from water before use 691 Fig. 190. Sewage plants help in increasing utilizable water resources 693 Fig. 191. The major part of national wealth is protected by flood-control dikes 697 Fig. 192. Chemicals are often needed to improve the quality of drinking water 698 Fig. 193. The number of agricultural water intakes is increasing 704 Fig. 194. Care must be taken to protect the embankments 709 876

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