Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935:
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Washington
1937
|
| Series: | Publication / Carnegie Institution of Washington
480 |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | VI, 70 S. |
Staff View
MARC
| LEADER | 00000nam a2200000 cb4500 | ||
|---|---|---|---|
| 001 | BV021069655 | ||
| 003 | DE-604 | ||
| 005 | 20120118 | ||
| 007 | t | ||
| 008 | 021011s1937 |||| 00||| eng d | ||
| 035 | |a (OCoLC)253888146 | ||
| 035 | |a (DE-599)BVBBV021069655 | ||
| 040 | |a DE-604 |b ger | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-12 |a DE-188 |a DE-29 |a DE-11 | ||
| 100 | 1 | |a Sykes, Godfrey |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |c Godfrey Sykes |
| 264 | 1 | |a Washington |c 1937 | |
| 300 | |a VI, 70 S. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Publication / Carnegie Institution of Washington |v 480 | |
| 810 | 2 | |a Carnegie Institution <Washington, DC> |t Publication |v 480 |w (DE-604)BV035415500 |9 480 | |
| 856 | 4 | 2 | |m HEBIS Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014400982&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 940 | 1 | |q BSBQK0159 | |
| 940 | 1 | |q HUB-ZB011201201 | |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-014400982 | ||
| 980 | 4 | |a (DE-12)AK49521169 | |
Record in the Search Index
| _version_ | 1804134832919281664 |
|---|---|
| adam_text | DELTA, ESTUARY, AND LOWER
PORTION OF THE CHANNEL
OF THE
COLORADO RIVER 1933 to 1935
BY
GODFREY SYKES
Research Associate, Carnegie Institution of Washington
PUBLISHED BY CARNEGIE INSTITUTION OF WASHINGTON
WASHINGTON, D C
CONTENTS
PAGE
FOREWORD iii
STATUS AND SCOPE or THE STUDY 1
DEPOSITION IN THE DELTA DURING THE PAST THIRTY YEARS 1
The Distribution of Sediments of Different Degrees of Fineness 2
Distribution of Detritus under the Influence of Tidal Action 3
Arresting of Process of Depletion in the Estuary during 1933 4
THE RIVER DISCHARGE AT THE HEAD OF THE DELTA FROM JUNE 1, 1933, TO FEBRUARY
The Summer Flood of 1933 4
River Discharge and Fluctuations during i he Latter Part of 1933 5
Inspection of Conditions at the Foot of 1 he Vacanora Channel at the Crest of
the Summer Flood of 1933 5
River Conditions during 1934 6
1935: The Closure of the By-pass at Boulder Dam, as Recorded at the Yuma
Gauging Station 7
RIVER DISCHARGE SUBSEQUENT TO THE ESTABLISHMENT OF CONTROL 7
DELIVERY OF DETRITAL MATTER TO THE DELTA 8
Data Used in Making Quantitative Estimates of Volume of Detritus Trans
ported to the Delta 9
Transportation of Debris during the Flood Period of 1933 10
Seasonal Fluctuations in the Silt-Content of the Colorado Water 11
The Silt-Burden during 1934 12
Area Inundated by the Summer Flood 12
1935: Further Movement of Bed-Silts Deposited during Uncontrolled River
Conditions 13
RIVER CONTROL AS AFFECTING THE FURTHER MOVEMENT OF BED-SILT ALREADY
DEPOSITED 16
Prolonged Period of Low Water Prior to the Closure of Boulder Dam 16
Factors Controlling Changes in Channel Configuration 17
Favorable Opportunities for Channel Investigation in 1934 17
Complexity of the Problems Involved in Estimating Quantitatively the Detrital
Burden of the Colorado Water 19
The Method Adopted for the Examination and Appraisal of the Channel-Bed
Material 19
Range of Particle Sizes Brought under Analysis 20
Initial Series of Bed-Silt Samplings and Analyses, Autumn of 1934 21
Second Series, Spring and Early Summer of 1935 22
Increased Discharge from the Boulder Dam Reservoir, May to July 1935 22
Release of Deposited Material from Imperial Canal Storage Pool 22
Reduction of Controlled Discharge during the Autumn and Early Winter of 1935 22
Deposits of Psammitic Material in Canals 23
Improved Method of Silt Sampling Used at Andrade 24
Temporary Increases of Silt-Content Principally Due to Local Causes 24
BED-SILT MOVEMENT AND RE-DEPOSITION 26
Estimation of Total Volume Carried to the Delta within a Given Period 26
Construction of the Vacanora Canal 26
Its Practical Destruction during the Flood Period of 1929 27
The Vacanora Semi-cone, or Barrier 27
Abandonment by the River of the Pescadero Diversion-Cut 29
Volume of Water Passing Yuma during the 1929-32 Period 29
vi CONTENTS
PACE
Simultaneous Growth of the Vacanora Barrier 30
Probable Periods of Actual Deposition and Accretion 30
Character of the Deposited Material 31
MECHANICAL ANALYSIS OF THE BED-SILTS 31
Method Adopted for Sampling 31
Critical Dimension Separating Fine from Coarse Water-Borne Detritus 32
Composition of the River-Bed as Revealed by t he Initial Series of Samplings 32
Changes Observed in Making Analyses of Second Series 33
Regional Graduation of Particle Sizes Shown by the Third Grouping of Analyses 33
Character of the River-Bed below Andrade as Shown by Additional Series of
Samplings 34
Composition of Psammitic Material Obtained from Canal-Beds 34
INTERPRETATION OF THE OBSERVED CHANC ES IN TEXTURE OF THE BED-SILTS 35
DESICCATION OF THE DELTA AREA 64
Area Heretofore Available for the Growth of Hydrophytic Vegetation 65
Recent Relapse toward Aridity of Much of the Hitherto Abundantly Watered
Region 66
Former Extent of Mesophytic Vegetation 66
Occasional Flood-Waters of Directly Meteorological Origin Entering the Macuata
Basin 67
Changes in the Character of the Water Now Occupying the Hardy Channel 68
Effect of the Increased Aridity upon the Indigenous Fauna of the Delta Region 68
APPENDIX THE SCOPE AND TECHNIQUE OF THF MECHANICAL ANALYSES OF THE
BED-SILTS 69
PLATES following 70
TABLES
1 Discharge of Water and Movement of Suspended Silt through the Main River
Channel below the Imperial Canal Intake, from June 1,1933, to January 31, 1935 15
2 Discharge of Water and Movement of Suspended Silt through the Main River
Channel below the Imperial Canal Intake during a Period of Increased Release
from the Boulder Dam, from May 25 to July 7, 1935 15
3 Sand and Silt-Content of Water Entering Imperial Canal during November and
December 1935, and Daily Discharge, Computed in Second-Feet, of the Residual
Stream Passing the Canal Entrance and Flowing toward Tidewater during the
Same Period 25
4 Mechanical Analyses of Colorado Bed-Silts, Series 1, July 1934 to January 1935 38
5 Mechanical Analyses of Colorado Bed-Silts, Series 2, April to June 1,1935 48
6 Mechanical Analyses of Colorado Bed-Silts, Series 3, October, November and
December 1935 54
7 Mechanical Analyses of Bed-Silts in Main Colorado Channel between Andrade and
Gadsden, September and October 1935 : 62
8 Mechanical Analyses of Psammitic Deposits in Channels and Canals, August and
September 1935 63
9 Mechanical Analyses of Deposits in Delta Canal No 2 64
|
| adam_txt |
DELTA, ESTUARY, AND LOWER
PORTION OF THE CHANNEL
OF THE
COLORADO RIVER 1933 to 1935
BY
GODFREY SYKES
Research Associate, Carnegie Institution of Washington
PUBLISHED BY CARNEGIE INSTITUTION OF WASHINGTON
WASHINGTON, D C
CONTENTS
PAGE
FOREWORD iii
STATUS AND SCOPE or THE STUDY 1
DEPOSITION IN THE DELTA DURING THE PAST THIRTY YEARS 1
The Distribution of Sediments of Different Degrees of Fineness 2
Distribution of Detritus under the Influence of Tidal Action 3
Arresting of Process of Depletion in the Estuary during 1933 4
THE RIVER DISCHARGE AT THE HEAD OF THE DELTA FROM JUNE 1, 1933, TO FEBRUARY
The Summer Flood of 1933 4
River Discharge and Fluctuations during i he Latter Part of 1933 5
Inspection of Conditions at the Foot of 1 he Vacanora Channel at the Crest of
the Summer Flood of 1933 5
River Conditions during 1934 6
1935: The Closure of the By-pass at Boulder Dam, as Recorded at the Yuma
Gauging Station 7
RIVER DISCHARGE SUBSEQUENT TO THE ESTABLISHMENT OF CONTROL 7
DELIVERY OF DETRITAL MATTER TO THE DELTA 8
Data Used in Making Quantitative Estimates of Volume of Detritus Trans
ported to the Delta 9
Transportation of Debris during the Flood Period of 1933 10
Seasonal Fluctuations in the Silt-Content of the Colorado Water 11
The Silt-Burden during 1934 12
Area Inundated by the Summer Flood 12
1935: Further Movement of Bed-Silts Deposited during Uncontrolled River
Conditions 13
RIVER CONTROL AS AFFECTING THE FURTHER MOVEMENT OF BED-SILT ALREADY
DEPOSITED 16
Prolonged Period of Low Water Prior to the Closure of Boulder Dam 16
Factors Controlling Changes in Channel Configuration 17
Favorable Opportunities for Channel Investigation in 1934 17
Complexity of the Problems Involved in Estimating Quantitatively the Detrital
Burden of the Colorado Water 19
The Method Adopted for the Examination and Appraisal of the Channel-Bed
Material 19
Range of Particle Sizes Brought under Analysis 20
Initial Series of Bed-Silt Samplings and Analyses, Autumn of 1934 21
Second Series, Spring and Early Summer of 1935 22
Increased Discharge from the Boulder Dam Reservoir, May to July 1935 22
Release of Deposited Material from Imperial Canal Storage Pool 22
Reduction of Controlled Discharge during the Autumn and Early Winter of 1935 22
Deposits of Psammitic Material in Canals 23
Improved Method of Silt Sampling Used at Andrade 24
Temporary Increases of Silt-Content Principally Due to Local Causes 24
BED-SILT MOVEMENT AND RE-DEPOSITION 26
Estimation of Total Volume Carried to the Delta within a Given Period 26
Construction of the Vacanora Canal 26
Its Practical Destruction during the Flood Period of 1929 27
The Vacanora Semi-cone, or Barrier 27
Abandonment by the River of the Pescadero Diversion-Cut 29
Volume of Water Passing Yuma during the 1929-32 Period 29
vi CONTENTS
PACE
Simultaneous Growth of the Vacanora Barrier 30
Probable Periods of Actual Deposition and Accretion 30
Character of the Deposited Material 31
MECHANICAL ANALYSIS OF THE BED-SILTS 31
Method Adopted for Sampling 31
Critical Dimension Separating Fine from Coarse Water-Borne Detritus 32
Composition of the River-Bed as Revealed by t he Initial Series of Samplings 32
' Changes Observed in Making Analyses of Second Series 33
Regional Graduation of Particle Sizes Shown by the Third Grouping of Analyses 33
Character of the River-Bed below Andrade as Shown by Additional Series of
Samplings 34
Composition of Psammitic Material Obtained from Canal-Beds 34
INTERPRETATION OF THE OBSERVED CHANC ES IN TEXTURE OF THE BED-SILTS 35
DESICCATION OF THE DELTA AREA 64
Area Heretofore Available for the Growth of Hydrophytic Vegetation 65
Recent Relapse toward Aridity of Much of the Hitherto Abundantly Watered
Region 66
Former Extent of Mesophytic Vegetation 66
Occasional Flood-Waters of Directly Meteorological Origin Entering the Macuata
Basin 67
Changes in the Character of the Water Now Occupying the Hardy Channel 68
Effect of the Increased Aridity upon the Indigenous Fauna of the Delta Region 68
APPENDIX THE SCOPE AND TECHNIQUE OF THF MECHANICAL ANALYSES OF THE
BED-SILTS 69
PLATES following 70
TABLES
1 Discharge of Water and Movement of Suspended Silt through the Main River
Channel below the Imperial Canal Intake, from June 1,1933, to January 31, 1935 15
2 Discharge of Water and Movement of Suspended Silt through the Main River
Channel below the Imperial Canal Intake during a Period of Increased Release
from the Boulder Dam, from May 25 to July 7, 1935 15
3 Sand and Silt-Content of Water Entering Imperial Canal during November and
December 1935, and Daily Discharge, Computed in Second-Feet, of the Residual
Stream Passing the Canal Entrance and Flowing toward Tidewater during the
Same Period 25
4 Mechanical Analyses of Colorado Bed-Silts, Series 1, July 1934 to January 1935 38
5 Mechanical Analyses of Colorado Bed-Silts, Series 2, April to June 1,1935 48
6 Mechanical Analyses of Colorado Bed-Silts, Series 3, October, November and
' December 1935 54
7 Mechanical Analyses of Bed-Silts in Main Colorado Channel between Andrade and
Gadsden, September and October 1935 : 62
8 Mechanical Analyses of Psammitic Deposits in Channels and Canals, August and
September 1935 63
9 Mechanical Analyses of Deposits in Delta Canal No 2 64 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Sykes, Godfrey |
| author_facet | Sykes, Godfrey |
| author_role | aut |
| author_sort | Sykes, Godfrey |
| author_variant | g s gs |
| building | Verbundindex |
| bvnumber | BV021069655 |
| ctrlnum | (OCoLC)253888146 (DE-599)BVBBV021069655 |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01201nam a2200313 cb4500</leader><controlfield tag="001">BV021069655</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20120118 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">021011s1937 |||| 00||| eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)253888146</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV021069655</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-12</subfield><subfield code="a">DE-188</subfield><subfield code="a">DE-29</subfield><subfield code="a">DE-11</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Sykes, Godfrey</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935</subfield><subfield code="c">Godfrey Sykes</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Washington</subfield><subfield code="c">1937</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">VI, 70 S.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="1" ind2=" "><subfield code="a">Publication / Carnegie Institution of Washington</subfield><subfield code="v">480</subfield></datafield><datafield tag="810" ind1="2" ind2=" "><subfield code="a">Carnegie Institution <Washington, DC></subfield><subfield code="t">Publication</subfield><subfield code="v">480</subfield><subfield code="w">(DE-604)BV035415500</subfield><subfield code="9">480</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">HEBIS Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014400982&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="940" ind1="1" ind2=" "><subfield code="q">BSBQK0159</subfield></datafield><datafield tag="940" ind1="1" ind2=" "><subfield code="q">HUB-ZB011201201</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-014400982</subfield></datafield><datafield tag="980" ind1="4" ind2=" "><subfield code="a">(DE-12)AK49521169</subfield></datafield></record></collection> |
| id | DE-604.BV021069655 |
| illustrated | Not Illustrated |
| index_date | 2024-07-02T13:34:00Z |
| indexdate | 2024-07-09T20:30:53Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-014400982 |
| oclc_num | 253888146 |
| open_access_boolean | |
| owner | DE-12 DE-188 DE-29 DE-11 |
| owner_facet | DE-12 DE-188 DE-29 DE-11 |
| physical | VI, 70 S. |
| psigel | BSBQK0159 HUB-ZB011201201 |
| publishDate | 1937 |
| publishDateSearch | 1937 |
| publishDateSort | 1937 |
| record_format | marc |
| series2 | Publication / Carnegie Institution of Washington |
| spelling | Sykes, Godfrey Verfasser aut Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 Godfrey Sykes Washington 1937 VI, 70 S. txt rdacontent n rdamedia nc rdacarrier Publication / Carnegie Institution of Washington 480 Carnegie Institution <Washington, DC> Publication 480 (DE-604)BV035415500 480 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014400982&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Sykes, Godfrey Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title_auth | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title_exact_search | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title_exact_search_txtP | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title_full | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 Godfrey Sykes |
| title_fullStr | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 Godfrey Sykes |
| title_full_unstemmed | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 Godfrey Sykes |
| title_short | Delta, estuary, and lower portion of the channel of the Colorado River 1933 to 1935 |
| title_sort | delta estuary and lower portion of the channel of the colorado river 1933 to 1935 |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014400982&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035415500 |
| work_keys_str_mv | AT sykesgodfrey deltaestuaryandlowerportionofthechannelofthecoloradoriver1933to1935 |