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

X. Mellékletek

Fig. 126. Sediment of spring snowmelt is retained by up-to-date dams 419

Fig. 127. There is still much to be done in watercourse regulation 420

Fig. 128. Inundations are often due to melting snow 425

Fig. 129. Water of the drainage canals is retained by sluices 425

Fig. 130. Land is drained into the rivers through pumping stations 427

Fig. 131. Orosháza inundated by overland flow in 1942 431

Fig. 132. The first dredgers employed in drainage canal construction 432

Fig. 133i Canals need a regular cleansing 434

Fig. 134. New pumping stations were built 436

Fig. 135. The capacity of portable pumps was augmented 438

Fig. 136. The advantages of rain-water utilization are also manifested by

favourable plant growth 440

Fig. 137. Universal canal-maintaining machines are becoming more widespread 441

Fig. 138. Modern pumping stations are built for draining purposes 443

Fig. 139. Sprinkler irrigation 448

Fig. 140. Surface irrigation 449

Fig. 141. Subsurface irrigation by means of a deep-laid canal 450

Fig. 142. The Tiszafüred Main Irrigation Canal was the first of its kind put into

operation 466

Fig. 143. Békésszpntandrás barrage is operated since 1942 468

Fig. 144. The Hódmezővásárhely irrigation scheme gets its water supply from

the double-action pumping plant at Lúdvár 470

Fig. 145. There is a large number of floating pumping plants working on the

Tisza River 471

Fig. 146. The Eastern and Western Main Canals carry water to the area of

Tiszalök irrigation scheme 472

Fig. 147. Intake gate and navigation lack of the Eastern Main Canal near

Tiszavasvári 474

Fig. 148. The Eastern Main Canal with a length of almost 100 km was put

into operation in 1956 475

Fig. 149. The sprinkler pumping station Nagyhegyes is on the bank of the

Eastern Main Canal 478

Fig. 150. There are powerful machines working in the Nagyhegyes sprinkler

pumping station 479

Fig. 151. Békés barrage was inaugurated in the spring of 1969 481

Fig. 152. Kisköre barrage construction in progress 488

Fig. 153. Irrigation water conveyed by a reinforced concrete shell flume 492

Fig. 154. In large-scale fish farms there are special wintering ponds 495

Fig. 155. Fishery is started 501

Fig. 156. In flatland reservoirs used for fish-breeding too, racks prevent

fish from escaping 503

Fig. 157. Industry is a mighty water pollutant 512

Fig. 158. Synthetic detergents are still active in sewage plants 518

Fig. 159. Wastes of the oil industry require special treatment methods 525

Fig. 160. Water quality is checked in up-to-date water laboratories 533

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