Urban Heat Island (Average Summer Nighttime Minimum)
收藏Open SDG Hub for the Environment2022-12-08 更新2026-05-16 收录
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https://sdgs-uneplive.opendata.arcgis.com/maps/uneplive::urban-heat-island-average-summer-nighttime-minimum
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<p style='margin-bottom:0in;margin-bottom:.0001pt;text-align:
justify;line-height:normal;mso-layout-grid-align:none;text-autospace:none'>
</p><p style='mso-margin-top-alt:auto;margin-bottom:0in;margin-bottom:
.0001pt;text-align:justify;line-height:normal;mso-layout-grid-align:none;
text-autospace:none'><span style='font-family:"Times New Roman","serif";
mso-fareast-font-family:"Times New Roman";color:#4D4D4D;background:white'>This
map derives from the Global Urban Heat Island (UHI) Data Set, 2013. This
estimates the average summer night minimum land surface temperature within
urban areas in degrees Celsius, as well as the difference between those
temperatures and the temperatures in surrounding rural areas, defined as a 10km
buffer around the urban extent. </span><span style='font-family:"Times New Roman","serif";
mso-fareast-font-family:"Times New Roman";color:#4E4E4E'>The Global Urban Heat
Island (UHI) Data Set, 2013, part of the Satellite-Derived Environmental
Indicators collection, estimates the average land surface temperature within
urban areas in degrees Celsius (summer daytime maximum and nighttime minimum),
as well as the difference between those temperatures and the temperatures in
surrounding rural areas, defined as a 10km buffer around the urban extent.
Urban extents are taken from SEDAC's Global Rural-Urban Mapping Project,
Version 1 (GRUMPv1), and land surface temperatures are taken from SEDAC's
Global Summer Land Surface Temperature (LST) Grids, 2013, which are derived
from the Aqua Level-3 Moderate Resolution Imaging Spectroradiometer (MODIS)
Version 5 global daytime and nighttime LST 8-day composite data (MYD11A2).</span><span style='font-family:"Times New Roman","serif";mso-fareast-font-family:"Times New Roman"'></span></p>
<p style='margin-bottom:0in;margin-bottom:.0001pt;text-align:
justify;line-height:normal;mso-layout-grid-align:none;text-autospace:none'><br /><span style='color: rgb(77, 77, 77); background: white;'><font face='Times New Roman, serif'></font></span></p><p style='margin-bottom:0in;margin-bottom:.0001pt;text-align:
justify;line-height:normal;mso-layout-grid-align:none;text-autospace:none'><span style='color: rgb(77, 77, 77); background: white;'><span style='font-size: 11pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;'>Source: </span><a href='http://beta.sedac.ciesin.columbia.edu/data/set/sdei-global-uhi-2013' style='line-height: 1.38462; background-color: transparent;' target='_blank' rel='nofollow ugc noopener noreferrer'>CIESIN,Columbia University. 201<span style='color: rgb(77, 77, 77);'>6</span></a><br /></span></p>
提供机构:
UNEP, Office of Science



