The cosmogenic and anthropogenic 36 Cl in the environment:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2003
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Techn. Univ., Diss., 2003 |
| Beschreibung: | III, 109 S. Ill., graph. Darst., Kt. |
Internformat
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Datensatz im Suchindex
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TABLE OF CONTENT
INTRODUCTION.1
CHAPTER 1. RADIOACTIVE CHLORINE-36 IN THE ENVIRONMENT.3
1.1. COSMOGENIC ISOTOPES.3X
1.2. GENERAL INFORMATION ABOUT CHLORINE-36.7
1.3. NATURAL PRODUCTION OF CHLORINE-36 BY COSMIC RAYS (CR).9
1.3.1. CR SPECTRUM IN THE VICINITY OF THE EARTH.9
1.3.2. GEOMAGNETIC CUT-OFF.10
1.3.3. TRANSPORT EQUATIONS.11
1.3.4. TOTAL INELASTIC CROSS-SECTION.12
1.3.5. A SINGLE NUCLEAR INTERACTION.13
1.3.6. IONIZATION LOSSES.13
1.3.7. CROSS-SECTIONS OF CHLORINE-36 PRODUCTION.14
1.4. AVAILABLE DATA ON CHLORINE-36.14
1.5. THE PROBLEM AND ITS SOLUTION.17
1.5.1. THE PROBLEM.17
1.5.2. POSSIBLE SOLUTIONS.18
1.5.3. THE AIM OF THE WORK.19
CHAPTER 2. CHLORINE IN ATMOSPHERE AND IN LAKES.20
2.1. CHLORINE-36 TRANSPORT IN THE ATMOSPHERE.20
2.1.1. THE STRUCTURE OF TROPOSPHERE.20
2.1.2. TRANSPORT IN THE STRATOSPHERE AND THROUGH THE TROPOPAUSE.21
2.2. THE MODELING.23
2.3. TRANSPORT MODEL.25
2.3.1. BOX MODEL.25
2.3.2. DIFFUSIVE MIXING.26
2.3.3. GRAVITATIONAL SETTLING. 28
2.3.4. STE. ADVECTION.29
2.3.5. APPLICATION OF THE MODEL TO DIFFERENT ELEMENTS.30
2.4. NORMALIZATION OF THE TRANSPORT PARAMETERS.32
2.4.1. NUCLEAR EXPLOSION.32
2.4.2. NUMBER OF INJECTED RADIONUCLIDES.33
2.4.3. AVAILABLE EXPERIMENTAL DATA.37
2.4.4. PARAMETERS OF THE MODEL.38
2.5. RECYCLING.42
2.5.1. METHYL CHLORIDE AND OH RADICALS.42
2.5.2. INCORPORATION OF THE RECYCLING INTO THE TRANSPORT MODEL.44
2.6. LAKES WITH DIFFERENT FLUSHING TIMES.46
II
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/967820006
CHAPTER 3. EXPERIMENTAL SETUP. 52
3.1. AMS MEASUREMENTS OF CHLORINE -36 IN GARCHING.52
3.1.1. ION EXTRACTION AND ACCELERATION.52
3.1.2. RADIO-FREQUENCY ACCELERATOR.53
3.1.3. BRAGG DETECTOR.56
3.1.4. MEASURING PROCEDURE.58
3.2. SAMPLE PREPARATION.59
3.2.1. MEASUREMENTS OF THE STABLE CHLORINE CONCENTRATION.60
3.2.2. CHEMICAL PREPARATION OF THE SAMPLES.62
3.3. COLLECTION AND TREATMENT OF METHYL CHLORIDE.63
3.3.1. METHYL CHLORIDE.63
3.3.2. EXPERIMENTAL SETUP FOR THE METHYL CHLORIDE COLLECTION.64
3.3.3. CHEMICAL TREATMENT OF THE MOLECULAR SIEVE.66
3.3.4. THE EXPERIMENT.67
CHAPTER 4. INTERPRETATION OF THE RESULTS.69
4.1. NATURAL AND BOMB-PRODUCED FALLOUT OF CHLORINE-36.69
4.1.1. COSMOGENIC CHLORINE-36.69
4.1.2. BOMB-PRODUCED CHLORINE-36.70
4.2. CORRECTION OF THE FALLOUT FOR PRECIPITATION RATE.73
4.3. RESULTS OF THE MEASUREMENTS IN LAKES. 74
4.4. INPUT OF CHLORINE-36 IN CHERNOBYL ACCIDENT. 77
4.5. INPUT OF BOMB-PRODUCED CHLORINE-36.80
4.6. BOMB CHLORINE-36 IN ORGANIC MOLECULES.83
4.7. RECYCLING MODEL OF CHLORINE-36.84
4.8. CHLORINE-36 IN HYDROLOGY.86
4.8.1. CHERNOBYL PULSE IN EUROPEAN LAKES.87
4.8.2. AFRICAN LAKES.89
4.8.3. COMPARISON OF LAKES BAIKAL AND KHUBSUGUL.89
4.8.4. MIXING IN LAKE BAIKAL.91
4.8.5. CLOSURE TIME OF LAKES.92
4.8.6. GROUNDWATER OUTFLOW FROM TERMINAL LAKES.94
CONCLUSION.96
APPENDIXES.98
THE DATA ON CHLORINE-36 FLUXES.
\
.98
ATMOSPHERIC CHLORINE IN THE ENVIRONMENT.100
ACKNOWLEDGMENT.101
REFERENCES.102
IN |
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| language | English |
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| physical | III, 109 S. Ill., graph. Darst., Kt. |
| publishDate | 2003 |
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| spelling | Lazarev, Vitali 1975- Verfasser (DE-588)124656889 aut The cosmogenic and anthropogenic 36 Cl in the environment Vitali Lazarev 2003 III, 109 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2003 Umweltbelastung (DE-588)4061619-8 gnd rswk-swf Chlor-36 (DE-588)4282692-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Chlor-36 (DE-588)4282692-5 s Umweltbelastung (DE-588)4061619-8 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010398730&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lazarev, Vitali 1975- The cosmogenic and anthropogenic 36 Cl in the environment Umweltbelastung (DE-588)4061619-8 gnd Chlor-36 (DE-588)4282692-5 gnd |
| subject_GND | (DE-588)4061619-8 (DE-588)4282692-5 (DE-588)4113937-9 |
| title | The cosmogenic and anthropogenic 36 Cl in the environment |
| title_auth | The cosmogenic and anthropogenic 36 Cl in the environment |
| title_exact_search | The cosmogenic and anthropogenic 36 Cl in the environment |
| title_full | The cosmogenic and anthropogenic 36 Cl in the environment Vitali Lazarev |
| title_fullStr | The cosmogenic and anthropogenic 36 Cl in the environment Vitali Lazarev |
| title_full_unstemmed | The cosmogenic and anthropogenic 36 Cl in the environment Vitali Lazarev |
| title_short | The cosmogenic and anthropogenic 36 Cl in the environment |
| title_sort | the cosmogenic and anthropogenic 36 cl in the environment |
| topic | Umweltbelastung (DE-588)4061619-8 gnd Chlor-36 (DE-588)4282692-5 gnd |
| topic_facet | Umweltbelastung Chlor-36 Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010398730&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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