The hydrosphere

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L H X Q G F R F K R B A F I C A C M E C J
M Q E N J K Y C J J C R G H U K O J P B J
E A M I S G K F X N R R Q U Y V W M U H U
Q Y G K J P E R M E A B I L L I T Y Y X C
O N B X D H H A V L G L V F Y N N R K Q I
G J V S S N Q I P W E I E Y P R X K V U T
E G J L R W N T D Q N R X F B O M T Y X C
C A T C H M E N T A R E A F G A A J X U W
Q C O L I F O R M C O U N T G U I X N M K
G R O U N D W A T E R F L O W H A B B K S
V O A Y T L P R E C I P I T A T I O N U P
B U X R E S I D E N C E T I M E M Y L M N
R K P O C X F L H Y D R O G E N B O N D C
J T N N H P I O W L C F I X N X D R G L I
S O S M O T I C D E H Y D R A T I O N V P
H S T R A N S F E R R A T E H N N C B P F
M N G D S I B N L J D P G Y I B U R J N E
H S L J F O W E F U B Y F F H T R L K U T
Q A N O M A L O U S E X P A N S I O N T N
I L F B G T X N X J H B W B N Q O W Q Y V
V H W Y Q O F J E A X N A X V O M F A E L

Clues

  • A measure of sewage pollution based in the presence of the faecal bacterium E.coli. (8, 5)
  • A measure of the rate at which a fluid, sucha as water, can flow through rock. (13)
  • Condensation of atmospheric water vapour that reaches the Earth's surface in any liquid or solid form. (13)
  • The area of land that collects water, which will flow down to the lowest point, e.g. a river, lake, aquifer or the sea. (9, 4)
  • The average length of time that a molecule remains in a reservoir. (9, 4)
  • The loss of water, especially from crop roots, caused by the low water potential of soils with a high salt content. (7, 11)
  • The movement of water through the pore spaces and fissures in permeable rocks. (11, 4)
  • The volume of material moved from one reservoir to another. (8, 4)
  • The weak electrostatic bond formed between water molecules, which gives water a high boiling point. (8, 4)
  • Unusual expansion, ususally applied to water, which expands as it is cooled below 4 degrees. (9, 9)

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