Noise Survey Data for Area 14 Road Network at Night - 2017
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This table contains data from 'Helsinki City Environment Sector' which is sourced from Finland. It represents the data related to noise surveys conducted in 2017 for road segments in area 14. The table provides information such as the extraction date, row number, unique identifier, lower and upper decibel values, data owner, date of update, geographical data in GeoJSON and GeoText format, type of geometry, centroid of the geometry, center coordinates of the geometry, and the geometry itself. This data can be used for various data analytics purposes such as studying noise pollution patterns, analyzing noise levels in different road segments, identifying areas with higher noise levels, and conducting spatial analysis related to noise pollution.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date when the record was extracted. |
|---|
| _row_number | long | The unique identifier for each row in the table. |
|---|
| id | int | The unique identifier for each record in the table. |
|---|
| db_lo | int | The lower bound of the database range. |
|---|
| db_hi | int | The upper bound of the database range. |
|---|
| datanomist | string | The name of the data analyst who processed the record. |
|---|
| paivitetty | string | The date when the record was last updated. |
|---|
| geom_geojson | string | The geometry of the record in GeoJSON format. |
|---|
| geom_geotext | string | The geometry of the record in geotext format. |
|---|
| geom_type | string | The type of geometry for the record. |
|---|
| geom_centroid | string | The centroid of the geometry of the record. |
|---|
| geom_center_x | double | The x-coordinate of the center of the geometry of the record. |
|---|
| geom_center_y | double | The y-coordinate of the center of the geometry of the record. |
|---|
| geom | binary | The spatial geometry of the record. |
|---|
