IGC P 20 19 UNE S C O an nual r e por t 21 9 4 H y d r o g eo l o g y G eo sci en c e o f t h e w at er c y cl e L if e on E ar t h de pen ds on wa t e r an d it s s us t ai nabl e us e is c r uc i al f or c o nt i nu ed hum an e x i s t e nc e E ar t h s w at er r es our c e s in c lu d e s u r f a c e gr o und w at er oc ean wa t e r and i c e T he s t udy of E a r t h s wa t e r i n vo l ve s unde r s t an di n g and m a nag i ng b ot h s ur f ac e an d gr ou nd wa t e r s yst e m s i nc l ud i ng s o ur c es c ont am i n at i o n v ul ne r a bi l i t y an d h i s t or y of w at er s yst e m s A nn ex 4 det ai l s t he 2 01 9 hi ghl i gh t s of t he IGC P H y d r og eo l og y The m e s u mma ri z e d by Dr Y ong j e K im wh o is th e IG C P C ou nc i l M em ber r e pr e s e nt i ng H y dr og eo l og y The m e Dr Y ong j e K im is a pr i nc i pa l r es ea r c he r in th e G r ou n d w at er an d Ec o H y dr og eo l og y R es ea r c h C ent er of th e G eol o gi c E nv i r on m en t Div is i o n at t he K or ea In s t i tu te of G eo s c i en c e and M i ner al R e s o ur c es K I G A M He r ec e i v ed h is Ph D in G eol o gy E nv i r on m en t al H y dr og eoc hem i s t r y at Tex as A M U n i ve r s i t y U SA in 19 95 9 5 G e od y na m i c s C ont r ol our E nv i r onm e nt O ur h abi t abl e env i r onm ent at t he E ar t h s s ur f ac e is l in k e d a nd c ont r o l l e d by pr oc es s e s o c c ur r i ng de ep w it h in t he E ar t h Ea r t h s c i ent i s t s us e i nt er a lia ge ophy s i c al t ec h ni que s to s t udy dee p E ar t h pr oc es s es r ang i ng f ro m c han ge s in th e E ar t h s m ag n et i c f ie ld to p l at e t e ct o n i cs to un de r s t an d b et t er t he E ar t h as a d y nam i c p l an et T ho s e pr oc es s e s ar e a ls o r e l e v ant to n at ur a l re s o u rc e e x p l or at i on di s t r i but i on a nd m ana ge m en t of gr ou ndw a t e r r es our c e s a nd t he s t ud y and m it ig a t io n of nat ur a l ha z ar ds su ch as e ar t hq uak e s A nn ex 5 det a i l s t he 2 01 9 hi g hl i gh t s of t he IGC P G eody n a m i c s The m e dr af t e d by Dr Ne ll i e M u t em er i wh o is t he IG C P Co u n c il m em b er f or t he G eody n a m i c T h em e Dr Ne ll i e M u t em er i is an A ss o ci a t e P r of es s or in t he S c h ool of M in in g E ng i neer i ng at t he Un iv e r s i t y of W i t w a t er s r and in S o ut h A f r ic a Sh e a ls o r u ns a b out i q ue c o n s u l t in g f ir m M ut C o ns ul t wh i c h s pec i al i z es in m i ni n g ene r g y and c l im a t e c h ang e D r M u t em er i s ot her ar ea s of re s e a rc h i nt er e s t in g eol o g y i nc l ud e geo c he m i s t r y and or e gene s i s of A r c ha ea n g o l d dep os i t s in t he g r ee ns t one b e l t s of S out h er n A f r ic a a nd f lu id i nc l us i on st u d i e s