数据来源：Treasury Department (กรมธนารักษ์) construction cost appraisal · 许可协议：Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 至 2027-12-31
政府建筑造价估算，中位
7,900 THB/m² — Chiang Mai府范围内
数据来源：Treasury Department (กรมธนารักษ์) construction cost appraisal · 许可协议：Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 至 2027-12-31
政府建筑造价估算，最低
400 THB/m² — Chiang Mai府范围内
数据来源：Treasury Department (กรมธนารักษ์) construction cost appraisal · 许可协议：Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 至 2027-12-31
土地厅分区估价，最高——政府评估价，用于计税及过户费，非市场价
30,000 THB/sq_wah — Chiang Mai府范围内
数据来源：Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · 许可协议：Open Data Common · 2024-08-14 至 2024-08-14
土地厅分区估价，中位——政府评估价，用于计税及过户费，非市场价
400 THB/sq_wah — Chiang Mai府范围内
数据来源：Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · 许可协议：Open Data Common · 2024-08-14 至 2024-08-14
土地厅分区估价，最低——政府评估价，用于计税及过户费，非市场价
25 THB/sq_wah — Chiang Mai府范围内
数据来源：Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · 许可协议：Open Data Common · 2024-08-14 至 2024-08-14
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
距最近排水道高度（最低 10%）
-6.3 m — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
地形坡度（中位数）
0.3% — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
地形坡度（最陡 10%）
0.4% — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
距最近水道距离（中位数）
424.9 m — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
距最近水道距离（最近 10%）
95.9 m — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
山洪地形易发程度
中 — Ban Mae分区范围内
数据来源：Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · 许可协议：Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 至 2015-01-07
数据来源：UNOSAT FL20240912THA -- Satellite detected water extents in Doi Tao District, Chiang Mai Province as of 6 October 2024 (OBSERVED flood extent for ONE 2024 satellite pass -- not a general or future flood-risk indicator) · 许可协议：CC BY-SA (UNOSAT / United Nations Satellite Centre) · 2024-10-06 至 2024-10-06
2024 年事件观测洪水面积
53.8 km2 — Chiang Mai府范围内
数据来源：UNOSAT FL20240912THA -- Satellite detected water extents in Doi Tao District, Chiang Mai Province as of 6 October 2024 (OBSERVED flood extent for ONE 2024 satellite pass -- not a general or future flood-risk indicator) · 许可协议：CC BY-SA (UNOSAT / United Nations Satellite Centre) · 2024-10-06 至 2024-10-06
2024 年事件受淹面积占比
0.2% — Chiang Mai府范围内
数据来源：UNOSAT FL20240912THA -- Satellite detected water extents in Doi Tao District, Chiang Mai Province as of 6 October 2024 (OBSERVED flood extent for ONE 2024 satellite pass -- not a general or future flood-risk indicator) · 许可协议：CC BY-SA (UNOSAT / United Nations Satellite Centre) · 2024-10-06 至 2024-10-06
2024 年事件洪水暴露等级
低 — Chiang Mai府范围内
数据来源：UNOSAT FL20240912THA -- Satellite detected water extents in Doi Tao District, Chiang Mai Province as of 6 October 2024 (OBSERVED flood extent for ONE 2024 satellite pass -- not a general or future flood-risk indicator) · 许可协议：CC BY-SA (UNOSAT / United Nations Satellite Centre) · 2024-10-06 至 2024-10-06
PM2.5 年平均值（低成本传感器）
27.8 µg/m³ — Chiang Mai府范围内
数据来源：OpenAQ — ไดมอนด์.-2545166 (low-cost) · 许可协议：CC BY 4.0 (AirGradient via OpenAQ) · 2025-01-01 至 2026-01-01
PM2.5 年平均值
20.6 µg/m³ — Chiang Mai府范围内
数据来源：OpenAQ — NARIT ASTROPARK (Parking)-1224519 (reference) · 许可协议：CC BY 4.0 (AirGradient via OpenAQ) · 2025-01-01 至 2026-01-01
近 10 年降雨不足旬数占比
9.4% — San Pa Tong县/区范围内
数据来源：Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · 许可协议：CC BY (Creative Commons Attribution International) · 2016-01-01 至 2025-12-31
近 10 年最严重 3 个月降雨不足程度
31.3% — San Pa Tong县/区范围内
数据来源：Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · 许可协议：CC BY (Creative Commons Attribution International) · 2016-01-01 至 2025-12-31
近 3 个月降雨量占常年比例
105.4% — San Pa Tong县/区范围内
数据来源：Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · 许可协议：CC BY (Creative Commons Attribution International) · 2026-07-01 至 2026-09-21
