Possible Clues:

• Like swamps quietly captured by a Scottish queen
• Soggy girl keeps quiet
• Fenlike
• Contrary girl claims south's hot and squelchy
• Wet planet before humanity ends
• It's the turn of the sheep to be so retiring when it's so wet
• Covered by swampland
• Like the Everglades
• Spoils the outskirts of Hackney, like Slough?
• Like fenlands