Hydrological forecasting practices:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | Undetermined |
| Veröffentlicht: |
Genf
Secretariat of the WMO
1975
|
| Schriftenreihe: | WMO
425 Operational hydrology report 6 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 134 S. |
| ISBN: | 9263104255 |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804136117547565056 |
|---|---|
| adam_text | Titel: Hydrological forecasting practices
Autor:
Jahr: 1975
CONTENTS
Page
FOREWORD............................................................... VII
SUMMARY (English, French, Russian, Spanish)........................... IX
CHAPTER 1 INTRODUCTION............................................... 1
CHAPTER 2 METHODOLOGICAL PRELIMINARIES............................... 3
2.1 Definition, physical basis, and tools of hydrological
forecasts.................................................. 3
2.2 Classification of hydrological forecasts................... 3
2.3 The interrelations of hydrological and weather forecasts... 6
2.4 Practical approaches....................................... 6
CHAPTER 3 SOURCES, COLLECTION, AND TRANSMISSION OF DATA.............. 13
3.1 Observations in the hydrological and meteorological
station network............................................ 13
3.2 Data required for hydrological forecasts................... 13
3.3 Data network............................................... 14
3.4 Data collection............................................ 15
3.5 Data transmission codes.................................... 17
3.6 Verification of data transmission.......................... 19
CHAPTER 4 FORECASTING OF RAINFALL-INDUCED FLOODS..................... 20
4.1 Introduction............................................... 20
4.2 Runoff..................................................... 21
4.3 Rainfall................................................. 21
4.4 Infiltration of water into the soil and surface detention.. 22
4.5 Rainfall-runoff relations.................................. 27
4.6 Flood hydrograph........................................... 33
CHAPTER 5 SHORT-TERM FORECASTS OF STAGE AND DISCHARGE................ 33
5.1 Routeing of flood waves in reaches without tributaries..... 38
5.2 Travel time................................................ 39
IV
CONTENTS
5.3 The volume curve of a river reach.........................
5.4 Flood routeing methods for a river reach without
tributaries...............................................
5.5 Method of corresponding stages............................
5.6 Forecasting stages and discharges in reaches with
tributaries...............................................
5.7 Forecasting runoff from channel storage...................
CHAPTER 6 FORECASTING SPRING HIGH-WATER OF LOWLAND RIVERS...........
6.1 The main factors influencing spring runoff and the
possibilities of spring runoff forecasts..................
6.2 Snow cover, its consolidation and physical properties.....
6.3 Snowmelt and methods for its calculation..................
6.4 Absorption of snowmelt water.............................
6.5 Basic methods for long-term forecasts of spring runoff...
6.6 Forecasts of maximum discharge and stage..................
6.7 Forecasts of inflow into lakes and reservoirs.............
CHAPTER 7 LONG-TERM RUNOFF FORECASTS FOR RIVERS IN MOUNTAINOUS
REGIONS...................................................
7.1 Features of the régimes of rivers in mountainous regions
and basic methods for long-term forecasts of discharges..
7.2 Hypsographic curves.......................................
7.3 Determination of air temperature at various altitudes.....
7.4 Approximate methods for assessing snow accumulation.......
7.5 Techniques for improving the estimates of snow
accumulation in mountainous areas.........................
7.6 Determination of the seasonal snow line elevation.........
7 .7 Calculations of snowmelt inflow in mountain catchments..
7.8 Forecasting runoff during the growing season..............
7.9 Forecasting monthly runoff of mountain streams............
CHAPTER 8 FORECASTS RELATED TO THE LOW-FLOW PERIOD..................
3.1 Baseflow and its régime during the low-flow period........
Page
41
46
47
49
52
52
53
57
63
66
68
70
73
73
76
77
78
81
81
83
85
89
92
92
CONTENTS
Page
8.2 Methods of forecasting some water régime elements
of rivers in the low-flow period............................ 95
CHAPTER 9 FORECASTS OF THE FREEZE-UP AND BREAK-UP OF ICE ON
RIVERS, LAKES, AND RESERVOIRS............................... 100
9.1 The freezing of rivers, lakes, and reservoirs............... 100
9.2 Short-term forecasts of ice formation and freeze-up dates..· 103
9.3 The build-up of the ice cover and forecasts of ice
thickness on rivers......................................... 109
9.4 Short-term forecasts of ice break-up on rivers, lakes,
and reservoirs.............................................. 110
9.5 Long-term ice forecasts..................................... 114
CHAPTER 10 EVALUATION OF HYDROLOGICAL FORECASTS........................ 119
10.1 Principles underlying the evaluation of forecasting
methods..................................................... 119
10.2 Criteria for evaluating the effectiveness and
reliability of the forecasting method................,...... 121
10.3 Evaluation of the degree of success of operational
forecasts................................................... 121
10.4 Forms in which forecasts are issued......................... 121
BIBLIOGRAPHY ......................................................... .. 123
|
| adam_txt |
Titel: Hydrological forecasting practices
Autor:
Jahr: 1975
CONTENTS
Page
FOREWORD. VII
SUMMARY (English, French, Russian, Spanish). IX
CHAPTER 1 INTRODUCTION. 1
CHAPTER 2 METHODOLOGICAL PRELIMINARIES. 3
2.1 Definition, physical basis, and tools of hydrological
forecasts. 3
2.2 Classification of hydrological forecasts. 3
2.3 The interrelations of hydrological and weather forecasts. 6
2.4 Practical approaches. 6
CHAPTER 3 SOURCES, COLLECTION, AND TRANSMISSION OF DATA. 13
3.1 Observations in the hydrological and meteorological
station network. 13
3.2 Data required for hydrological forecasts. 13
3.3 Data network. 14
3.4 Data collection. 15
3.5 Data transmission codes. 17
3.6 Verification of data transmission. 19
CHAPTER 4 FORECASTING OF RAINFALL-INDUCED FLOODS. 20
4.1 Introduction. 20
4.2 Runoff. 21
4.3 Rainfall. 21
4.4 Infiltration of water into the soil and surface detention. 22
4.5 Rainfall-runoff relations. 27
4.6 Flood hydrograph. 33
CHAPTER 5 SHORT-TERM FORECASTS OF STAGE AND DISCHARGE. 33
5.1 Routeing of flood waves in reaches without tributaries. 38
5.2 Travel time. 39
IV
CONTENTS
5.3 The volume curve of a river reach.
5.4 Flood routeing methods for a river reach without
tributaries.
5.5 Method of corresponding stages.
5.6 Forecasting stages and discharges in reaches with
tributaries.
5.7 Forecasting runoff from channel storage.
CHAPTER 6 FORECASTING SPRING HIGH-WATER OF LOWLAND RIVERS.
6.1 The main factors influencing spring runoff and the
possibilities of spring runoff forecasts.
6.2 Snow cover, its consolidation and physical properties.
6.3 Snowmelt and methods for its calculation.
6.4 Absorption of snowmelt water.
6.5 Basic methods for long-term forecasts of spring runoff.
6.6 Forecasts of maximum discharge and stage.
6.7 Forecasts of inflow into lakes and reservoirs.
CHAPTER 7 LONG-TERM RUNOFF FORECASTS FOR RIVERS IN MOUNTAINOUS
REGIONS.
7.1 Features of the régimes of rivers in mountainous regions
and basic methods for long-term forecasts of discharges.
7.2 Hypsographic curves.
7.3 Determination of air temperature at various altitudes.
7.4 Approximate methods for assessing snow accumulation.
7.5 Techniques for improving the estimates of snow
accumulation in mountainous areas.
7.6 Determination of the seasonal snow line elevation.
7'.7 Calculations of snowmelt inflow in mountain catchments.
7.8 Forecasting runoff during the growing season.
7.9 Forecasting monthly runoff of mountain streams.
CHAPTER 8 FORECASTS RELATED TO THE LOW-FLOW PERIOD.
3.1 Baseflow and its régime during the low-flow period.
Page
41
46
47
49
52
52
53
57
63
66
68
70
73
73
76
77
78
81
81
83
85
89
92
92
CONTENTS
Page
8.2 Methods of forecasting some water régime elements
of rivers in the low-flow period. 95
CHAPTER 9 FORECASTS OF THE FREEZE-UP AND BREAK-UP OF ICE ON
RIVERS, LAKES, AND RESERVOIRS. 100
9.1 The freezing of rivers, lakes, and reservoirs. 100
9.2 Short-term forecasts of ice formation and freeze-up dates.· 103
9.3 The build-up of the ice cover and forecasts of ice
thickness on rivers. 109
9.4 Short-term forecasts of ice break-up on rivers, lakes,
and reservoirs. 110
9.5 Long-term ice forecasts. 114
CHAPTER 10 EVALUATION OF HYDROLOGICAL FORECASTS. 119
10.1 Principles underlying the evaluation of forecasting
methods. 119
10.2 Criteria for evaluating the effectiveness and
reliability of the forecasting method.,. 121
10.3 Evaluation of the degree of success of operational
forecasts. 121
10.4 Forms in which forecasts are issued. 121
BIBLIOGRAPHY . . 123 |
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| indexdate | 2024-07-09T20:51:18Z |
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| institution_GND | (DE-588)16144992-X |
| isbn | 9263104255 |
| language | Undetermined |
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| physical | 134 S. |
| publishDate | 1975 |
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| publisher | Secretariat of the WMO |
| record_format | marc |
| series | WMO Operational hydrology report |
| series2 | WMO Operational hydrology report |
| spelling | Hydrological forecasting practices prepared by the Working Group on Hydrological Forecasting of the Commission for Hydrology Genf Secretariat of the WMO 1975 134 S. txt rdacontent n rdamedia nc rdacarrier WMO 425 Operational hydrology report 6 Hydrologische Vorhersage (DE-588)4332312-1 gnd rswk-swf Hydrologische Vorhersage (DE-588)4332312-1 s DE-604 World Meteorological Organization Working Group on Hydrological Forecasting Sonstige (DE-588)16144992-X oth WMO 425 (DE-604)BV005631705 Operational hydrology report 6 (DE-604)BV008903762 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015358808&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hydrological forecasting practices WMO Operational hydrology report Hydrologische Vorhersage (DE-588)4332312-1 gnd |
| subject_GND | (DE-588)4332312-1 |
| title | Hydrological forecasting practices |
| title_auth | Hydrological forecasting practices |
| title_exact_search | Hydrological forecasting practices |
| title_exact_search_txtP | Hydrological forecasting practices |
| title_full | Hydrological forecasting practices prepared by the Working Group on Hydrological Forecasting of the Commission for Hydrology |
| title_fullStr | Hydrological forecasting practices prepared by the Working Group on Hydrological Forecasting of the Commission for Hydrology |
| title_full_unstemmed | Hydrological forecasting practices prepared by the Working Group on Hydrological Forecasting of the Commission for Hydrology |
| title_short | Hydrological forecasting practices |
| title_sort | hydrological forecasting practices |
| topic | Hydrologische Vorhersage (DE-588)4332312-1 gnd |
| topic_facet | Hydrologische Vorhersage |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015358808&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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