> For the complete documentation index, see [llms.txt](https://world-wildlife-fund.gitbook.io/free-flowing-rivers/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://world-wildlife-fund.gitbook.io/free-flowing-rivers/annex/streams-fields.md).

# Streams fields

<table><thead><tr><th width="214.17002649065222">Field</th><th width="224">Alias</th><th>Description</th></tr></thead><tbody><tr><td>GOID</td><td>Stream Identifier</td><td>ID is used to link the dam to the river reach</td></tr><tr><td>NOID</td><td>Network Object identifier</td><td>Network Object identifier</td></tr><tr><td>NDOID</td><td>Downstream network identifier</td><td>Down stream network identifier</td></tr><tr><td>NUOID</td><td>Upstream network identifier</td><td>Upstream network identifier</td></tr><tr><td>REACH_ID</td><td>Reach identifier</td><td>River reach identifier</td></tr><tr><td>LENGTH_KM</td><td>River reach length</td><td>Length of the river reach in kilometres</td></tr><tr><td>LENGTH_DOWN_KM</td><td>Length downstream in kilometres</td><td>The length of river downstream.</td></tr><tr><td>UPLAND_SKM</td><td>Upstream area in square kilometres</td><td>The upstream area in square kilometers.</td></tr><tr><td>RIV_ORD</td><td>River Order based on field DIS_AV_CMS (Discharge / Flow)</td><td><p>River order is based on the long-term average discharge:</p><p>| 1 = > 100000</p><p>| 2 = 10000 – 100000</p><p>| 3 = 1000 – 10000</p><p>| 4 = 100 – 1000</p><p>| 5 = 10 – 100</p><p>| 6 = 1 - 10</p></td></tr><tr><td>HYFALL</td><td>Hydro falls</td><td>Indicates whether a waterfall is present.</td></tr><tr><td>DIS_AV_CMS</td><td>River reach discharge</td><td>The long-term average discharge in cubic metres per second.</td></tr><tr><td>VOLUME_TCM</td><td>River reach volume</td><td>Volume of the river in thousand cubic metres.</td></tr><tr><td>Source</td><td>Source</td><td>A binary field identifying the reach as a source reach (value = 1) or not a source reach (value = 0).</td></tr><tr><td>Sink</td><td>Sink</td><td>A binary field identifying the reach as a sink reach (value = 1) or not a sink reach (value = 0).</td></tr><tr><td>WIDTH_M</td><td>River reach width</td><td>The width of the river reach measured in metres</td></tr><tr><td>Depth_M</td><td>River reach depth</td><td>The depth of the river reach in metres.</td></tr><tr><td>INC</td><td>Rivers reaches to include</td><td>A binary field indicating whether to include (value = 1) the river reach or exclude (value = 0) the river reach from the analysis.</td></tr><tr><td>CONTINENT</td><td>Continent name</td><td>Delineated based on HydroBASINS</td></tr><tr><td>CON_ID</td><td>Continent identifier</td><td>An integer to identify the continent where the river reach is located.</td></tr><tr><td>ISO_NAME</td><td>Country name</td><td>ISO country name</td></tr><tr><td>ISO</td><td>Country code</td><td>The ISO country code.</td></tr><tr><td>PAC</td><td>Protected Area</td><td>A binary field indicating that river reach is flowing through protected areas.</td></tr><tr><td>BAS_NAME</td><td>Hydrological Basin name</td><td>Based on HydroSHEDS original basins</td></tr><tr><td>BAS_ID</td><td>Hydrological Basin identifier</td><td>Based on HydroSHEDS original basins</td></tr><tr><td>BB_NAME</td><td>River name</td><td>The name of the backbone river.</td></tr><tr><td>BB_ID</td><td>Backbone river identifier</td><td>The identifier of the backbone river.</td></tr><tr><td>BB_ORD</td><td>River order</td><td>The river order based on Hack’s stream order.</td></tr><tr><td>BB_DIS_ORD</td><td>Backbone Discharge Order</td><td>Backbone discharge order calculated as RIV_ORD at last reach of river.</td></tr><tr><td>BB_OCEAN </td><td>Ocean connectivity</td><td>A binary field indicating whether the river is directly connected to the ocean (value = 1) or not (value = 0).</td></tr><tr><td>BB_LEN_KM</td><td>River length</td><td>Length of the river in kilometres.</td></tr><tr><td>BB_VOL_TCM</td><td>River volume</td><td>Volume of the river in thousand cubic metres.</td></tr><tr><td>BB_DRY_PCT</td><td>Dryness indicator</td><td>Indicator for intermittency (0 = flowing year long; 100: completely dry all year long)</td></tr><tr><td>ERO_YLD_TON</td><td>Erosion yield in tons</td><td>Erosion yield in tons of the reach catchment (not accumulated)</td></tr><tr><td>DOF</td><td>Degree of Fragmentation</td><td>Index from 0 to 100%</td></tr><tr><td>DOR</td><td>Degree of Regulation</td><td>Index from 0 to 100%</td></tr><tr><td>SED</td><td>Sediment trapping index</td><td>Index from 0 to 100%</td></tr><tr><td>URB</td><td>Nightlights in urban areas</td><td>Index from 0 to 100%</td></tr><tr><td>RDD</td><td>Road building</td><td>Index from 0 to 100%</td></tr><tr><td>USE</td><td>Water consumption</td><td>Index from 0 to 100%</td></tr><tr><td>DOM</td><td>Dominant pressure factor</td><td>see figure 1b; possible field values are: DOF; DOR; USE; RDD; and URB</td></tr><tr><td>CSI</td><td>Connectivity Status Index</td><td>Index from 0 to 100%; see figure 1a; 100% = full connectivity; 0% = no connectivity</td></tr><tr><td>FLD</td><td>Floodplain extent in river reach catchment (%)</td><td>Based on Fluet et al.'s floodplain map</td></tr><tr><td>Delta</td><td>Delta</td><td>A binary field depicting reaches of the Mekong delta.</td></tr></tbody></table>