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- 99227606 contributor B8788498.
- 99227606 created "1994.".
- 99227606 date "1994".
- 99227606 date "1994.".
- 99227606 dateCopyrighted "1994.".
- 99227606 description "Bibliography: p. 91-92.".
- 99227606 description "Machine generated contents note: 1 INTRODUCTION -- 1.1 General -- 1.2 Listing of interest groups in water management -- 1.3 Prevention of salinisation in the Netherlands -- 2 MANAGEMENT OF A BASIN RELATED TO THE PROBLEM -- OF SALINE INTRUSION -- 2.1 Comparison of the situation in an estuary before and after closure -- 2.2 Quality control of a fresh-water bay: Prevention of salt intrusion -- 2.3 Ship locks as a source of salt intrusion -- 2.4 Salt-content distribution over the basin -- 3 OVERVIEW OF POSSIBLE MEASURES TO REDUCE SALT- -- FRESH WATER EXCHANGE AT SHIP LOCKS -- 4 FURTHER ANALYSIS OF MEASURES REDUCING SALT-FRESH -- WATER EXCHANGE WITH SYSTEMS ALLOWING THE GATES -- TO BE OPENED IMMEDIATELY AFTER LEVELLING -- 4.1 Analysis of the reference situation without special measures -- 4.1.1 The various stages of operation -- 4.1.2 General considerations of salt penetration -- 4.2 Measures for management -- 4.3 Flushing the basin to prevent salt intrusion -- 4.4 Pumping back the salt water lockage prism -- 4.5 Soonest possible closure of gates in combination with an air curtain -- V -- 4.6 System Tereuzen (flushing back salt penetration directly and -- indirectly) -- 4.7 Comparison of the various systems that enable the gates to be -- opened immediately after levelling -- 5 FURTHER ANALYSIS OF SALT-FRESH WATER SEPARATION -- SYSTEMS THAT INTERCHANGE THE CHAMBER'S VOLUME -- BEFORE GATES ARE OPENED -- 5.1 System Dunkerque/Kreekrak/Krammer -- 5.2 System Hansweert -- 5.3 The system 'salt lift trough' -- 5.4 Comparison of the various systems which interchange the -- chamber volume with closed gates -- 6 MANAGEMENT OF SALT-FRESH WATER -- SEPARATION SYSTEMS -- 7 EFFECTIVITY OF ALL SALT-FRESH SEPARATION SYSTEMS -- COMPARED WITH STANDARDS FOR WATER QUALITY -- 7.1 Theoretical approach -- 7.2 Practical approach -- 8 CONCLUDING OBSERVATIONS -- APPENDIX A: Total salt-fresh water interchange per lock operation cycle -- when rate of local interchange, 0, is known -- APPENDIX B: Theoretical approach of the air quantity needed for an air -- curtain as a salt-fresh separation system -- APPENDIX C: Calculation of the maximum force athwartships in salt -- water, with a fresh water bubble situated on one side -- APPENDIX D: Minimum discharge requirement to prevent salt water -- intrusion in a wall slot -- BIBLIOGRAPHY.".
- 99227606 extent "xi, 92 p. :".
- 99227606 identifier "9054101423".
- 99227606 identifier 99227606-d.html.
- 99227606 identifier 99227606.html.
- 99227606 issued "1994".
- 99227606 issued "1994.".
- 99227606 language "eng".
- 99227606 publisher "Rotterdam ; Brookfield, VT : A.A. Balkema,".
- 99227606 subject "627/.1352 21".
- 99227606 subject "Locks (Hydraulic engineering)".
- 99227606 subject "Saltwater encroachment.".
- 99227606 subject "TC761 .W38 1994".
- 99227606 subject "Water quality management.".
- 99227606 tableOfContents "Machine generated contents note: 1 INTRODUCTION -- 1.1 General -- 1.2 Listing of interest groups in water management -- 1.3 Prevention of salinisation in the Netherlands -- 2 MANAGEMENT OF A BASIN RELATED TO THE PROBLEM -- OF SALINE INTRUSION -- 2.1 Comparison of the situation in an estuary before and after closure -- 2.2 Quality control of a fresh-water bay: Prevention of salt intrusion -- 2.3 Ship locks as a source of salt intrusion -- 2.4 Salt-content distribution over the basin -- 3 OVERVIEW OF POSSIBLE MEASURES TO REDUCE SALT- -- FRESH WATER EXCHANGE AT SHIP LOCKS -- 4 FURTHER ANALYSIS OF MEASURES REDUCING SALT-FRESH -- WATER EXCHANGE WITH SYSTEMS ALLOWING THE GATES -- TO BE OPENED IMMEDIATELY AFTER LEVELLING -- 4.1 Analysis of the reference situation without special measures -- 4.1.1 The various stages of operation -- 4.1.2 General considerations of salt penetration -- 4.2 Measures for management -- 4.3 Flushing the basin to prevent salt intrusion -- 4.4 Pumping back the salt water lockage prism -- 4.5 Soonest possible closure of gates in combination with an air curtain -- V -- 4.6 System Tereuzen (flushing back salt penetration directly and -- indirectly) -- 4.7 Comparison of the various systems that enable the gates to be -- opened immediately after levelling -- 5 FURTHER ANALYSIS OF SALT-FRESH WATER SEPARATION -- SYSTEMS THAT INTERCHANGE THE CHAMBER'S VOLUME -- BEFORE GATES ARE OPENED -- 5.1 System Dunkerque/Kreekrak/Krammer -- 5.2 System Hansweert -- 5.3 The system 'salt lift trough' -- 5.4 Comparison of the various systems which interchange the -- chamber volume with closed gates -- 6 MANAGEMENT OF SALT-FRESH WATER -- SEPARATION SYSTEMS -- 7 EFFECTIVITY OF ALL SALT-FRESH SEPARATION SYSTEMS -- COMPARED WITH STANDARDS FOR WATER QUALITY -- 7.1 Theoretical approach -- 7.2 Practical approach -- 8 CONCLUDING OBSERVATIONS -- APPENDIX A: Total salt-fresh water interchange per lock operation cycle -- when rate of local interchange, 0, is known -- APPENDIX B: Theoretical approach of the air quantity needed for an air -- curtain as a salt-fresh separation system -- APPENDIX C: Calculation of the maximum force athwartships in salt -- water, with a fresh water bubble situated on one side -- APPENDIX D: Minimum discharge requirement to prevent salt water -- intrusion in a wall slot -- BIBLIOGRAPHY.".
- 99227606 title "Water quality control at ship locks : prevention of salt- and fresh water exchange / J. Kerstma ... [et al.].".
- 99227606 type "text".