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ବୃଦ୍ଧି ପାଉଛି ସମୁଦ୍ର ପତ୍ତନ: ବିପଦରେ ଭାରତର ଚେନ୍ନାଇ, କୋଲକାତା – Abhigam TV

ବୃଦ୍ଧି ପାଉଛି ସମୁଦ୍ର ପତ୍ତନ: ବିପଦରେ ଭାରତର ଚେନ୍ନାଇ, କୋଲକାତା

ନୂଆଦିଲ୍ଲୀ: ବିଶ୍ୱରେ ବୃଦ୍ଧି ପାଉଥିବା ସମୁଦ୍ର ପତ୍ତନ କାରଣରୁ ଏବେ ଅନେକ ଦ୍ୱୀପ ଦେଶ ବିପଦରେ ରହିଛନ୍ତି। ଏହି ତାଲିକାରେ ଏବେ ଭାରତ ମଧ୍ୟ ସାମିଲ ହୋଇଗଲାଣି। ଏକ ନୂତନ ରିସର୍ଚ୍ଚ ଅନୁଯାୟୀ ଚଳିତ ଶତାବ୍ଦୀରେ ସମୁଦ୍ର ପତ୍ତନ ବୃଦ୍ଧି କେତେକ ଏସୀୟ ସହର ତଥା ପଶ୍ଚିମ ଟ୍ରପିକାଲ୍ ପ୍ରଶାନ୍ତ ମହାସାଗରୀୟ ଦ୍ୱୀପ ଏବଂ ପଶ୍ଚିମ ଭାରତ ମହାସାଗରକୁ ପ୍ରଭାବିତ କରିପାରେ।

ଅନୁସନ୍ଧାନକାରୀ ଦଳ ଅନେକ ଏସୀୟ ମେଟ୍ରୋ ସହରକୁ ଚିହ୍ନଟ କରିଛନ୍ତି ଯାହାକି ୨୧୦୦ ସୁଦ୍ଧା ବିଶେଷ ବିପଦର ସମ୍ମୁଖୀନ ହୋଇପାରେ। ଏଥିରେ ଭାରତର ଚେନ୍ନାଇ, କୋଲକାତା ପରି ୟାଙ୍ଗନ୍‌, ବ୍ୟାଙ୍କକକ୍‌, ହୋ-ଚି-ମିନି-ସିଟି, ଏବଂ ମାନିଲା ବଳି ସହର ରହିଛନ୍ତି, ଯେଉଁମାନେ ଉଚ୍ଚ ସ୍ତରର ଗ୍ରୀନ୍ ହାଉସ୍ ଗ୍ୟାସ୍ ନିର୍ଗତ କରିବାରେ ଲାଗିଛନ୍ତି।

ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ହେତୁ ଆନୁମାନିକ ବୃଦ୍ଧି ଉପରେ ପ୍ରାକୃତିକ ସମୁଦ୍ର ସ୍ତରର ପରିବର୍ତ୍ତନଗୁଡ଼ିକର ପ୍ରଭାବକୁ ଏହି ଅଧ୍ୟୟନରେ ଦର୍ଶାଯାଇଛି। ସମଗ୍ର ବିଶ୍ୱରେ ସମୁଦ୍ର ସ୍ତରର ହଟସ୍ପଟ୍ ମ୍ୟାପ୍ କରି ଏହି ରିସର୍ଚ୍ଚ କରାଯାଇଥିଲା । ଏହି ରିସର୍ଚ୍ଚ ପ୍ରକୃତି ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ପତ୍ରିକାରେ ପ୍ରକାଶିତ ହୋଇଛି।

ବୈଜ୍ଞାନିକମାନେ ବହୁ ପୂର୍ବରୁ ସୂଚାଇ ଦେଇଛନ୍ତି ଯେ ସମୁଦ୍ରର ତାପମାତ୍ରା ବୃଦ୍ଧି ସହିତ ସମୁଦ୍ରର ଜଳସ୍ତର ବୃଦ୍ଧି ପାଇବ, ମୁଖ୍ୟତଃ ଜଳ ଗରମ ହେବାପରେ ବିସ୍ତାର ହୁଏ ଏବଂ ବରଫପତ୍ର ତରଳିବା ଦ୍ୱାରା ସମୁଦ୍ରରେ ଅଧିକ ଜଳ ନିର୍ଗତ ହୁଏ। ଅଧ୍ୟୟନଗୁଡିକ ସୂଚାଇ ଦେଇଛି ଯେ ସମୁଦ୍ର ପତ୍ତନ ବୃଦ୍ଧି ଆଞ୍ଚଳିକ ସ୍ତରରେ ଭିନ୍ନ ହେବ କାରଣ ସମୁଦ୍ର ସ୍ରୋତରେ ପରିବର୍ତ୍ତନ ଉତ୍ତର-ପୂର୍ବ ଆମେରିକା ସମେତ କେତେକ ଉପକୂଳବର୍ତ୍ତୀ ଅଞ୍ଚଳକୁ ଅଧିକ ଜଳ ଅଗ୍ରସର ହେବ।

ଉଲ୍ଲେଖନୀୟ କଥା ହେଉଛି ‘ଏଲ୍ ନିନୋ’ ଭଳି ଘଟଣା କିମ୍ବା ଜଳ ଚକ୍ରରେ ପରିବର୍ତ୍ତନ, ଯାହା ପ୍ରାକୃତିକ ଜଳବାୟୁ ପରିବର୍ତ୍ତନଶୀଳତା ଭାବରେ ଜଣାଶୁଣା, ସମୁଦ୍ର ସ୍ତରର ପରିବର୍ତ୍ତନକୁ ସାମିଲ କରୁଛି। ଅଧ୍ୟୟନରେ ଦର୍ଶାଯାଇଛି ଯେ ଆଭ୍ୟନ୍ତରୀଣ ଜଳବାୟୁ ପରିବର୍ତ୍ତନଶୀଳତା କେତେକ ସ୍ଥାନରେ ସମୁଦ୍ର ପତ୍ତନ ବୃଦ୍ଧିକୁ ୨୦-୩୦% ବୃଦ୍ଧି କରିପାରିବ ଯାହା କେବଳ ଜଳବାୟୁ ପରିବର୍ତ୍ତନର ପରିଣାମଠାରୁ ଅଧିକ ହୋଇପାରେ, ଯାହା ଅତ୍ୟଧିକ ବନ୍ୟା ପରିସ୍ଥିତି ବୃଦ୍ଧି ପାଇବ ବୋଲି ଏଥିରେ କୁହାଯାଇଛି।

ଉଦାହରଣ ସ୍ୱରୂପ ମାନିଲାରେ କେବଳ ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ଉପରେ ଆଧାର କରି ୨୦୦୬ ତୁଳନାରେ ୨୧୦୦ ସୁଦ୍ଧା ୧୮ ଥର ଅଧିକ ଉପକୂଳବର୍ତ୍ତୀ ବନ୍ୟା ପରିସ୍ଥିତି ଘଟିବ ବୋଲି ପୂର୍ବାନୁମାନ କରାଯାଇଛି। କିନ୍ତୁ, ଏକ ଖରାପ ପରିସ୍ଥିତିରେ, ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ଏବଂ ଆଭ୍ୟନ୍ତରୀଣ ଜଳବାୟୁ ପରିବର୍ତ୍ତନଶୀଳତାର ମିଶ୍ରଣ ଉପରେ ଆଧାର କରି ବନ୍ୟା ଭଳି ପ୍ରାକୃତିକ ବିପର୍ଯ୍ୟୟ ୯୬ ଗୁଣ ଅଧିକ ହୋଇପାରେ ବୋଲି ଏଥିରେ କୁହାଯାଇଛି।

ଏକ ଖରାପ ପରିସ୍ଥିତିରେ, ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ଏବଂ ଆଭ୍ୟନ୍ତରୀଣ ଜଳବାୟୁ ପରିବର୍ତ୍ତନଶୀଳତାର ମିଳିତ ପ୍ରଭାବ ସ୍ଥାନୀୟ ଜଳସ୍ତରର ୫୦% ରୁ ଅଧିକ ବୃଦ୍ଧି ପାଇପାରେ ଯାହା କେବଳ ଜଳବାୟୁ ପରିବର୍ତ୍ତନ ହେତୁ ହୋଇପାରେ, ଯାହା ଦ୍ଵାରା ଉପକୂଳବର୍ତ୍ତୀ ବଡ଼ ବଡ଼ ସହରରେ ଅଧିକ ଭୟଙ୍କର ବନ୍ୟା ପରିସ୍ଥିତି ସୃଷ୍ଟି ହୋଇପାରେ। ଏବଂ ଲକ୍ଷ ଲକ୍ଷ ଲୋକ ବିପଦରେ ପଡ଼ିପାରନ୍ତି

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