Stickstoffumsatz im Grundwasser:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | German |
| Veröffentlicht: |
Bonn
DVGW
2015
|
| Schriftenreihe: | Wasser-Information
Wasser-Information ; 85 |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 101 S. graph. Darst. |
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Datensatz im Suchindex
| _version_ | 1804153227988434944 |
|---|---|
| adam_text | Titel: Stickstoffumsatz im Grundwasser
Autor:
Jahr: 2015
Inhalt
Vorwort ................................................................................................................................................................................................................................................................................................................................3
Verfasser ................................................................................................................................................................................................................................................................................................................................4
Bilderverzeichnis............................................................................................................................................................................................................................................................................................................6
Tabellenverzeichnis....................................................................................................................................................................................................................................................................................................8
1 Anlass und Grundlageninformationen zum Stickstoff..................................................................................................................................................9
1.1 Anlass............................................................................................................................................................................................................................................................................................................9
1.2 Stickstoffkreislauf.........................................................................................................................................................................................................................................................................9
1.2.1 Stickstoffquellen............................................................................................................................................................................................................................................................................9
1.2.2 Stickstoffverlagerung im Untergrund..............................................................................................................................................................................................................11
1.2.3 Wasserflüsse im Untergrund........................................................................................................................................................................................................................................13
1.2.4 Stickstofffluss im durchwurzelten Bereich des Bodens.........................................................:......................................15
1.3 Hydrogeologische Einheiten.......................................!..........................................................................................................................................................17
2 Nitratkonzentrationen im Grundwasser..............................................................................................................................................................................................19
2.1 Nitratbelastung des Grundwassers in Deutschland und Europa................................................................................................................................19
2.2 Situation in Wassergewinnungsgebieten....................................................................................................................................................................................................21
3 Stickstoffeinträge......................................................................................................................................................................................................................................................................22
3.1 Atmosphäre............................................................................................................................................................................................................................................................................................22
3.2 Landnutzung........................................................................................................................................................................................................................................................................................26
3.2.1 Allgemeines..........................................................................................................................................................................................................................................................................................26
3.2.2 Landwirtschaftliche Nutzflächen (Acker)..................................................................................................................................................................................................27
3.2.3 Dauergrünland..................................................................................................................................................................................................................................................................................30
3.2.4 Wald................................................................................................................................................................................................................................................................................................................31
3.2.5 Siedlungsgebiete............................................................................................................................................................................................................................................................................31
4 Stickstoff-Umsetzungsprozesse......................................................................................................................................................................................................32
4.1 Grundlagen............................................................................................................................................................................................................................................................................................32
4.2 Denitrifikation....................................................................................................................................................................................................................................................................................33
4.2.1 Einführung..............................................................................................................................................................................................................................................................................................33
4.2.2 Chemo-organotrophe Denitrifikation..............................................................................................................................................................................................................34
4.2.3 Chemo-lithotrophe Denitrifikation......................................................................................................................................................................................................................34
4.2.4 Weitere Prozesse............................................................................................................................................................................................................................................................................35
5 Identifikation von Prozessen und Untersuchung des reaktiven Stoffdepots............................................................................36
5.1 Methodenübersicht....................................................................................................................................................................................................................................................................36
5.2 Prozessidentifikation aus vorhandenen Daten....................................................................................................................................................................................37
5.2.1 Zeitreihenbetrachtungen mit Beispielen......................................................................................................................................................................................................37
5.2.2 Stickstoff - Massenbilanzen..........................................................................................................................................................................................................................................43
5.3 Ergänzende Untersuchungen/Gewinnung neuer Daten........................................................................................................................................................44
5.3.1 Untersuchung von Probenmaterial aus dem Grundwasserleiter..............................................................................................................................44
5.3.2 Versuche im Labor......................................................................................................................................................................................................................................................................47
5.3.3 Versuche im Gelände..............................................................................................................................................................................................................................................................48
5.3.4 Isotopenmethoden......................................................................................................................................................................................................................................................................50
5.4 Hydrogeochemische Modellierungen..............................................................................................................................................................................................................54
57
57
58
58
59
60
61
67
67
68
72
74
74
76
78
83
Lebensdauer des Nitratabbaus...................................................................................
Zusammenwirken von Strömung und Nitratverlagerung...............................................
Zugang zum reaktiven Material....................................................................................
Reaktives Material, zu dem ein Zugang für den Nitratabbau notwendig ist...................
Hydraulische Zugänglichkeit und hydraulische Verfügbarkeit von reaktivem Material-
Biochemischer Zugang zum reaktiven Material, Biofilm................................................
Berechnung der Dauer des Nitratabbaus und Auswirkungen auf die Nitratverlagerung
Bestimmung des reaktiven Stoffanteils..........................................................................
Einleitung.....................................................................................................................
Standversuche...............................................................................................................
Säulenversuche.............................................................................................................
Schlussfolgerungen.......................................................................................................
Bewertung und zusammenfassende Diskussion zum Thema „Lebensdauer ..................
Zusammenfassung.......................................................................................................
|
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| illustrated | Illustrated |
| indexdate | 2024-07-10T01:23:16Z |
| institution | BVB |
| language | German |
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| oclc_num | 907548036 |
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| owner | DE-91 DE-BY-TUM |
| owner_facet | DE-91 DE-BY-TUM |
| physical | 101 S. graph. Darst. |
| publishDate | 2015 |
| publishDateSearch | 2015 |
| publishDateSort | 2015 |
| publisher | DVGW |
| record_format | marc |
| series | Wasser-Information |
| series2 | Wasser-Information : Wasser-Information |
| spelling | Stickstoffumsatz im Grundwasser Bonn DVGW 2015 101 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Wasser-Information : Wasser-Information 85 Wasser-Information Wasser-Information ; 85 (DE-604)BV004342370 85 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027927722&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Stickstoffumsatz im Grundwasser Wasser-Information |
| title | Stickstoffumsatz im Grundwasser |
| title_auth | Stickstoffumsatz im Grundwasser |
| title_exact_search | Stickstoffumsatz im Grundwasser |
| title_full | Stickstoffumsatz im Grundwasser |
| title_fullStr | Stickstoffumsatz im Grundwasser |
| title_full_unstemmed | Stickstoffumsatz im Grundwasser |
| title_short | Stickstoffumsatz im Grundwasser |
| title_sort | stickstoffumsatz im grundwasser |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027927722&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV004342370 |