Description: Network "nme" Flow line initiation below 0.004 square km flow accumulation, based on a 141cm resample of the topo-bathy surface. The more detailed east Marin County extent featured intensive hydrologic enforcement that had been derived from the storm drain systems of about a dozen municipal or county agencies. The analysis grid was resampled near 141cm gridding for precise 2-square-meter grid cells. Flow line initiation below 0.004 square km flow accumulation, nominally 1-acre catchment, was used to detect likely ephemeral flow over highly impermeable urban surfaces common in this area. In many cases, hydrologic enforcement had detailed curb gutters on both sides of the street at better than 1:1000 map scale. This much detail led to stability problems for the 32-bit Esri ArcGIS 10.3 for Desktop application over which ArcHydro was running, and so the east county area was produced in two parts. This "nme" network was named to imply "north Marin east".
Feature Type: Line
Type: FeatureLayer
Display Field: GNIS_Name
Primary Key Field: OBJECTID
Show Map Tips: False
Searchable: False
Identifiable: True
Queryable: True
Can Copy Feature: True
Snappable: True
Snapping Enabled: False
Has Attachments: False
Feature Label: {GNIS_Name}
Feature Description: N/A
Feature Long Description: N/A
Feature Zoom Factor: N/A
Feature Zoom Scale: N/A
Feature Border Color: N/A
Feature Border Width: N/A
Feature Fill Color: N/A
Icon: N/A
Include in Layer List: True
Include in Legend: True
Can Toggle Labels: True
Show Labels: True
Allow Symbolization: True
Draw Index: N/A
Legend URL: N/A
Style Name: N/A
Data Provider: Default
Time Zone ID: N/A
Fields:
OBJECTID (Type: Int32, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
ReachCode (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
GNIS_ID (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
GNIS_Name (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
FCode (Type: Int32, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
SHAPE (Type: Object, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
SHAPE.STLength() (Type: Double, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
F_Type (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
F_Code (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
WBPermanent_Identifier (Type: String, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)
VisibilityFilter (Type: Int32, Visible: True, Searchable: True, Can Symbolize Unique Value: True, Can Symbolize Class Breaks: True, Addressable: True)