UNINTENDED CONSEQUENCES OR DONT MESS AROUND WITH MOTHER NATURE. PLEASE SOMEBODY

Question

UNINTENDED CONSEQUENCES OR DONT MESS AROUND WITH MOTHER NATURE.

PLEASE SOMEBODY HELP ME . GOD BLESS YOU ALL

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(1) https://postimg.org/image/amc2m2v19/ (2) https://postimg.org/image/6jm8h2uu7/

*** EXAMINE THE WTO PHOTOGRAPHS DIRCETLY BELOW SHOWING SEAWALLS BUILT ON THE PACIFIC AND GULF COASTS. THE SEAWALLS SUCCESFULLY PREVENTED FURTHER SHORELINES RETREAT IN BOTH PLACES BUT ALSO HAD UNANTICIPATED NEGATIVE RESULTS.

(A) WHAT A NEGATIVE IMPACT DO U REACOGNIZE ?

*** THE PHOTOGRAPH BELOW SHOWS A GROYNE FIELD AND SEAWALL PROTECTING ONE SIDE OF THE HOOK AT NORTH AVENUE BEACH, CHICAGO, ILLINOIS.

(B) i.DRAW AN ARROW TO INDICATE THE DIRECTION OF LONGSHORE DRIFT.

ii. DESCRIBE THE WIDTH OF THE BEACH IN THE AREAS BETWEEN THE GROYNES. SUGGEST EXPLANATION FOR THIS PATTERN.

iii. THE FOLLOWING PHOTOGRAPH OF WESTHAMPTON , NEW YORK, SHOWS THE DIRECTION OF LONGSHORE DRIFT. NOTE THE SERIES OF GROYNES DESIGNED TO PROTECT THE NARROW BARRIER ISLAND. WHAT PROBLEM DO YOU RECOGNIZE BEYOND THE GROYNES (CLOSER TO THE FOREGROUND)?

Explanation / Answer

1)The construction of sea wall inhibits the formation of intertidal beaches and wetlands that naturally form near the shoreline.

2)The longshore drift is in the direction east to west along the beach . The pattern so formed is a result of the influence of swash and backswash action of waves.

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