Streams fields

Descriptions of fields in the streams feature class.

Field
Alias
Description

GOID

Stream Identifier

ID is used to link the dam to the river reach

NOID

Network Object identifier

Network Object identifier

NDOID

Downstream network identifier

Down stream network identifier

NUOID

Upstream network identifier

Upstream network identifier

REACH_ID

Reach identifier

River reach identifier

LENGTH_KM

River reach length

Length of the river reach in kilometres

LENGTH_DOWN_KM

Length downstream in kilometres

The length of river downstream.

UPLAND_SKM

Upstream area in square kilometres

The upstream area in square kilometers.

RIV_ORD

River Order based on field DIS_AV_CMS (Discharge / Flow)

River order is based on the long-term average discharge:

| 1 = > 100000

| 2 = 10000 – 100000

| 3 = 1000 – 10000

| 4 = 100 – 1000

| 5 = 10 – 100

| 6 = 1 - 10

HYFALL

Hydro falls

Indicates whether a waterfall is present.

DIS_AV_CMS

River reach discharge

The long-term average discharge in cubic metres per second.

VOLUME_TCM

River reach volume

Volume of the river in thousand cubic metres.

Source

Source

A binary field identifying the reach as a source reach (value = 1) or not a source reach (value = 0).

Sink

Sink

A binary field identifying the reach as a sink reach (value = 1) or not a sink reach (value = 0).

WIDTH_M

River reach width

The width of the river reach measured in metres

Depth_M

River reach depth

The depth of the river reach in metres.

INC

Rivers reaches to include

A binary field indicating whether to include (value = 1) the river reach or exclude (value = 0) the river reach from the analysis.

CONTINENT

Continent name

Delineated based on HydroBASINS

CON_ID

Continent identifier

An integer to identify the continent where the river reach is located.

ISO_NAME

Country name

ISO country name

ISO

Country code

The ISO country code.

PAC

Protected Area

A binary field indicating that river reach is flowing through protected areas.

BAS_NAME

Hydrological Basin name

Based on HydroSHEDS original basins

BAS_ID

Hydrological Basin identifier

Based on HydroSHEDS original basins

BB_NAME

River name

The name of the backbone river.

BB_ID

Backbone river identifier

The identifier of the backbone river.

BB_ORD

River order

The river order based on Hack’s stream order.

BB_DIS_ORD

Backbone Discharge Order

Backbone discharge order calculated as RIV_ORD at last reach of river.

BB_OCEAN

Ocean connectivity

A binary field indicating whether the river is directly connected to the ocean (value = 1) or not (value = 0).

BB_LEN_KM

River length

Length of the river in kilometres.

BB_VOL_TCM

River volume

Volume of the river in thousand cubic metres.

BB_DRY_PCT

Dryness indicator

Indicator for intermittency (0 = flowing year long; 100: completely dry all year long)

ERO_YLD_TON

Erosion yield in tons

Erosion yield in tons of the reach catchment (not accumulated)

DOF

Degree of Fragmentation

Index from 0 to 100%

DOR

Degree of Regulation

Index from 0 to 100%

SED

Sediment trapping index

Index from 0 to 100%

URB

Nightlights in urban areas

Index from 0 to 100%

RDD

Road building

Index from 0 to 100%

USE

Water consumption

Index from 0 to 100%

DOM

Dominant pressure factor

see figure 1b; possible field values are: DOF; DOR; USE; RDD; and URB

CSI

Connectivity Status Index

Index from 0 to 100%; see figure 1a; 100% = full connectivity; 0% = no connectivity

FLD

Floodplain extent in river reach catchment (%)

Based on Fluet et al.'s floodplain map

Delta

Delta

A binary field depicting reaches of the Mekong delta.

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