Railways Noise Survey Data for Area 19 - Finland
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This table contains data from 'Helsinki City Planning Department', which originates from the country 'Finland'. It provides information related to the noise survey conducted in 2017 for the railway lines in Zone 19. The table includes a variety of columns such as '_extract_date', '_row_number', 'id', 'db_lo', 'db_hi', 'datanomist', 'paivitetty', 'geom_geojson', 'geom_geotext', 'geom_type', 'geom_centroid', 'geom_center_x', 'geom_center_y', and 'geom'. These columns store different aspects of the noise survey data and the geographical features associated with the railway lines. The data in this table can be utilized for various data analytics purposes such as analyzing the noise levels in different locations, identifying noise hotspots, studying the relationship between noise levels and geographical factors, and conducting spatial analysis on the railway lines in Zone 19.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date when the data was extracted. |
|---|
| _row_number | long | The row number of the data. |
|---|
| id | int | The unique identifier of the record. |
|---|
| db_lo | int | The lower bound value of the record in the database. |
|---|
| db_hi | int | The upper bound value of the record in the database. |
|---|
| datanomist | string | The name of the person or entity responsible for the data. |
|---|
| paivitetty | string | The date when the data was last updated. |
|---|
| geom_geojson | string | The geometry of the record in GeoJSON format. |
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| geom_geotext | string | The geometry of the record in Geotext format. |
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| geom_type | string | The type of geometry for the record. |
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| geom_centroid | string | The centroid of the geometry. |
|---|
| geom_center_x | double | The x-coordinate of the center point of the geometry. |
|---|
| geom_center_y | double | The y-coordinate of the center point of the geometry. |
|---|
| geom | binary | The geometry of the record. |
|---|
