Editing IPCC:AR6/WGI/TS (section)

===== TS.4.3.2.10 Other Typological Domains =====

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'''Some types of regions found in different continents face common climate challenges regardless of their location. These include biodiversity hot spots that will ''very likely'' see even more extreme heat and droughts, mountain areas where a projected raising in the freezing level height will alter snow and ice conditions (''high confidence''), and tropical forests that are increasingly prone to fire weather (''medium confidence''). Links to chapters 8.4, Box 8.2, 9.5, 12.3, 12.4'''

Biodiversity hotspots located around the world will each face unique challenges in CID changes. Heat, drought and length of dry season, wildfire weather, sea surface temperature and deoxygenation are relevant drivers to terrestrial and freshwater ecosystems and have marked increasing trends. Links to chapters 12.3, 12.4.10.1

Desert and semi-arid areas are strongly affected by CIDs such as extreme heat, drought and dust storms, with large-scale aridity trends contributing to expanding drylands in some regions (''high confidence''). Links to chapters 12.3, 12.4.10.3

Average warming in mountain areas varies with elevation, but the pattern is not globally uniform (''medium confidence''). Extreme precipitation is projected to increase in major mountainous regions (''medium'' to ''high confidence'' depending on location), with potential cascading consequences of floods, landslides and lake outbursts in all scenarios (''medium confidence''). Links to chapters 8.4.1.5, Box 8.2, 9.5.1.3, 9.5.3.3, 9.5.2.3, Cross-Chapter Box 10.4, 11.5.5, 12.3, 12.4.1–12.4.6, 12.4.10.4

Most tropical forests are challenged by a mix of emerging warming trends that are particularly large in comparison to historical variability (''medium confidence''). Water cycle changes bring prolonged drought, longer dry seasons and increased fire weather to many tropical forests (''medium confidence''). Links to chapters 10.5, 12.3, 12.4

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