Noise Areas Metropolitan Helsinki Region 2017
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This table contains data from 'Helsinki City Environment Sector', which originates from Finland. It provides information on noise areas in the city. The data includes various attributes such as the extraction date, row number, identifier, noise level ranges, data source, update date, geometric data, and more. The table can be utilized in data analytics to analyze and visualize the distribution of noise levels in different areas of the city, identify areas with high noise levels, assess the impact of noise pollution on the population, and evaluate the effectiveness of noise reduction measures.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date when the data was extracted. |
|---|
| _row_number | long | The index of the row in the table. |
|---|
| id | int | The unique identifier for each record in the table. |
|---|
| db_lo | float | The lower bound value of a range. |
|---|
| db_hi | float | The upper bound value of a range. |
|---|
| datanomist | string | The name of the data owner. |
|---|
| paivitetty | date | The date of the last update. |
|---|
| geom_geojson | string | The geometry data in GeoJSON format. |
|---|
| geom_geotext | string | The geometry data in Geotext format. |
|---|
| geom_type | string | The type of the geometry. |
|---|
| geom_centroid | string | The centroid of the geometry. |
|---|
| geom_center_x | double | The X-coordinate of the center of the geometry. |
|---|
| geom_center_y | double | The Y-coordinate of the center of the geometry. |
|---|
| geom | binary | The detailed geometry information. |
|---|
