Lakes Land Use in Helsinki Metropolitan Area Map
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This table contains information about lakes from the dataset 'avoindataseutukartta_maankaytto_jarvet__seutukartta_maankaytto_jarvetpolygon', sourced from the website of the 'Helsinki City Environment Sector' in the country Finland (ISO country code: FI). The table includes various columns such as '_extract_date', '_row_number', 'vesisto_ni', 'vesisto_n0', 'mtryhm', 'geom_geojson', 'geom_geotext', 'geom_type', 'geom_centroid', 'geom_center_x', 'geom_center_y', 'geom', and 'tietopalve'. The data in this table can be utilized for data analytics purposes, such as analyzing the spatial distribution of lakes, studying different lake characteristics, calculating centroid coordinates, and performing geospatial analysis.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date and time when the data was extracted from the source. |
|---|
| _row_number | long | A unique identifier for each row in the table. |
|---|
| vesisto_ni | string | The identifier of the water system. |
|---|
| vesisto_n0 | string | The unique identifier of the water system. |
|---|
| mtryhm | int | The type of the water system. |
|---|
| geom_geojson | string | The geometry of the water system in GeoJSON format. |
|---|
| geom_geotext | string | The geometry of the water system in Well-Known Text (WKT) format. |
|---|
| geom_type | string | The type of the geometry of the water system. |
|---|
| geom_centroid | string | The centroid point of the geometry of the water system. |
|---|
| geom_center_x | double | The x-coordinate of the center point of the geometry of the water system. |
|---|
| geom_center_y | double | The y-coordinate of the center point of the geometry of the water system. |
|---|
| geom | binary | The geometry of the water system. |
|---|
| tietopalve | int | The service that provided the information. |
|---|
