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Table A-10. Data dictionary for across-shore component
table (XShr) (after Howes
et al. 1994)
The XShr Table includes a record (row) for each across-shore zone (A, B, or C) and component (A1, B1, B2…) with attribute information regarding the morphology, sediment texture, width, slope, dominant coastal process, and estimated oil residence index for that particular intertidal zone and component.
|
Field Name
|
Type
|
Description
|
|
UnitRecID |
N |
Automatically-generated number field; the database "primary key" for unit-level relationships |
|
XshrRecID |
N |
Automatically-generated number field; the database "primary key" for across-shore relationships |
|
PHY_IDENT |
T20 |
Unique physical identifier; an alphanumeric string comprised of the Region, Area, Unit, and Subunit separated by slashes (e.g. 12/03/0552/0) |
|
CROSS_LINK |
T20 |
Unique across-shore identifier; an alphanumeric string comprised of the PHY_IDENT followed by the Zone and Component separated by slashes (e.g. 12/03/0552/0/A/1) |
|
T1 |
Code indicating the across-shore position (tidal elevation) of the component: (A) supratidal, (B) intertidal, (C) subtidal |
|
|
COMPONENT |
Is |
Subdivision of zones, numbered from highest to lowest elevation in across-shore profile (e.g. A1 is the highest supratidal component; B1 is the highest intertidal; B2 is lower intertidal) |
|
T20 |
Principal geomorphic feature within each across-shore component, described by a specific set of codes (Table A-11) |
|
|
MatPrefix1 |
T1 |
Veneer indicator field; blank = no veneer; "v" = veneer |
|
T20 |
Material (substrate and/or sediment type) that best characterizes Form1, described by a specific set of codes (Table A-12) |
|
|
FormMat1Txt |
T50 |
Automatically-generated field that is the translation of codes used in Form1 and Mat1 into text |
|
Form2 |
T20 |
Secondary geomorphic feature within each across-shore component, described by a specific set of codes (Table A-11) |
|
MatPrefix2 |
T1 |
Veneer indicator field; blank = no veneer; "v" = veneer |
|
Mat2 |
T20 |
Material (substrate and/or sediment type) that best characterizes Form2, described by a specific set of codes (Table A-12) |
|
FormMat2Txt |
T50 |
Automatically-generated field that is the translation of codes used in Form2 and Mat3 into text |
|
Form3 |
T20 |
Tertiary geomorphic feature within each across-shore component, described by a specific set of codes (Table A-11) |
|
MatPrefix3 |
T1 |
Veneer indicator field; blank = no veneer; "v" = veneer |
|
Mat3 |
T20 |
Material (substrate and/or sediment type) that best characterizes Form3, described by a specific set of codes (Table A-12) |
|
FormMat3Txt |
T50 |
Automatically-generated field that is the translation of codes used in Form3 and Mat3 into text |
|
Form4 |
T20 |
Fourth-order geomorphic feature within each across-shore component, described by a specific set of codes (Table A-11) |
|
MatPrefix4 |
T1 |
Veneer indicator field; blank = no veneer; "v" = veneer |
|
Mat4 |
T20 |
Material (substrate and/or sediment type) that best characterizes Form4, described by a specific set of codes (Table A-12) |
|
FormMat4Txt |
T50 |
Automatically-generated field that is the translation of codes used in Form4 and Mat4 into text |
|
WIDTH |
N |
Mean across-shore width of the component (e.g. A1) in meters |
|
SLOPE |
N |
Estimated across-shore slope of the mapped geomorphic Form in degrees; must be consistent with Form codes (Table A-11) |
|
PROCESS |
T4 |
Dominant coastal process affecting the morphology: (F)luvial, (M)ass wasting (landslides), (W)aves, (C)urrents, (E)olian (wind, as with dunes) (O)ther |
|
COMPONENT_ORI |
N |
Oil Residence Index on the basis of substrate type; 1 is least persistent, 5 is most persistent (Tables A-5 and A-6) |