id sid tid token lemma pos tb09j389n4t 1 1 in in ADP tb09j389n4t 1 2 the the DET tb09j389n4t 1 3 southern southern ADJ tb09j389n4t 1 4 hemisphere hemisphere NOUN tb09j389n4t 1 5 , , PUNCT tb09j389n4t 1 6 changes change NOUN tb09j389n4t 1 7 in in ADP tb09j389n4t 1 8 the the DET tb09j389n4t 1 9 hydrodynamics hydrodynamic NOUN tb09j389n4t 1 10 and and CCONJ tb09j389n4t 1 11 biogeochemistry biogeochemistry NOUN tb09j389n4t 1 12 in in ADP tb09j389n4t 1 13 the the DET tb09j389n4t 1 14 upper upper ADJ tb09j389n4t 1 15 water water NOUN tb09j389n4t 1 16 column column NOUN tb09j389n4t 1 17 play play VERB tb09j389n4t 1 18 an an DET tb09j389n4t 1 19 essential essential ADJ tb09j389n4t 1 20 role role NOUN tb09j389n4t 1 21 in in ADP tb09j389n4t 1 22 global global ADJ tb09j389n4t 1 23 ocean ocean NOUN tb09j389n4t 1 24 circulation circulation NOUN tb09j389n4t 1 25 and and CCONJ tb09j389n4t 1 26 climate climate NOUN tb09j389n4t 1 27 . . PUNCT tb09j389n4t 2 1 expansions expansion NOUN tb09j389n4t 2 2 or or CCONJ tb09j389n4t 2 3 contractions contraction NOUN tb09j389n4t 2 4 of of ADP tb09j389n4t 2 5 the the DET tb09j389n4t 2 6 southern southern ADJ tb09j389n4t 2 7 ocean ocean NOUN tb09j389n4t 2 8 and and CCONJ tb09j389n4t 2 9 changes change NOUN tb09j389n4t 2 10 in in ADP tb09j389n4t 2 11 the the DET tb09j389n4t 2 12 meridional meridional ADJ tb09j389n4t 2 13 variability variability NOUN tb09j389n4t 2 14 of of ADP tb09j389n4t 2 15 the the DET tb09j389n4t 2 16 subtropical subtropical ADJ tb09j389n4t 2 17 front front NOUN tb09j389n4t 2 18 ( ( PUNCT tb09j389n4t 2 19 stf stf PROPN tb09j389n4t 2 20 ) ) PUNCT tb09j389n4t 2 21 can can AUX tb09j389n4t 2 22 influence influence VERB tb09j389n4t 2 23 global global ADJ tb09j389n4t 2 24 ocean ocean NOUN tb09j389n4t 2 25 circulation circulation NOUN tb09j389n4t 2 26 by by ADP tb09j389n4t 2 27 moderating moderate VERB tb09j389n4t 2 28 the the DET tb09j389n4t 2 29 magnitude magnitude NOUN tb09j389n4t 2 30 of of ADP tb09j389n4t 2 31 water water NOUN tb09j389n4t 2 32 exchange exchange NOUN tb09j389n4t 2 33 at at ADP tb09j389n4t 2 34 the the DET tb09j389n4t 2 35 indian indian ADJ tb09j389n4t 2 36 - - PUNCT tb09j389n4t 2 37 atlantic atlantic ADJ tb09j389n4t 2 38 ocean ocean NOUN tb09j389n4t 2 39 gateway gateway NOUN tb09j389n4t 2 40 , , PUNCT tb09j389n4t 2 41 so so ADV tb09j389n4t 2 42 - - PUNCT tb09j389n4t 2 43 called call VERB tb09j389n4t 2 44 agulhas agulhas PROPN tb09j389n4t 2 45 leakage leakage NOUN tb09j389n4t 2 46 . . PUNCT tb09j389n4t 3 1 here here ADV tb09j389n4t 3 2 we we PRON tb09j389n4t 3 3 present present VERB tb09j389n4t 3 4 new new ADJ tb09j389n4t 3 5 biomarker biomarker NOUN tb09j389n4t 3 6 records record NOUN tb09j389n4t 3 7 of of ADP tb09j389n4t 3 8 upper upper ADJ tb09j389n4t 3 9 water water NOUN tb09j389n4t 3 10 column column NOUN tb09j389n4t 3 11 temperature temperature NOUN tb09j389n4t 3 12 ( ( PUNCT tb09j389n4t 3 13 u_37^k u_37^k NOUN tb09j389n4t 3 14 ' ' PUNCT tb09j389n4t 3 15 and and CCONJ tb09j389n4t 3 16 tex86 tex86 PROPN tb09j389n4t 3 17 ) ) PUNCT tb09j389n4t 3 18 , , PUNCT tb09j389n4t 3 19 primary primary ADJ tb09j389n4t 3 20 productivity productivity NOUN tb09j389n4t 3 21 ( ( PUNCT tb09j389n4t 3 22 chlorins chlorin NOUN tb09j389n4t 3 23 and and CCONJ tb09j389n4t 3 24 alkenones alkenone NOUN tb09j389n4t 3 25 ) ) PUNCT tb09j389n4t 3 26 , , PUNCT tb09j389n4t 3 27 and and CCONJ tb09j389n4t 3 28 sea sea NOUN tb09j389n4t 3 29 surface surface NOUN tb09j389n4t 3 30 salinity salinity NOUN tb09j389n4t 3 31 ( ( PUNCT tb09j389n4t 3 32 δdalkenone δdalkenone PROPN tb09j389n4t 3 33 ) ) PUNCT tb09j389n4t 3 34 from from ADP tb09j389n4t 3 35 marine marine ADJ tb09j389n4t 3 36 sediments sediment NOUN tb09j389n4t 3 37 at at ADP tb09j389n4t 3 38 iodp iodp PROPN tb09j389n4t 3 39 site site NOUN tb09j389n4t 3 40 u1475 u1475 PROPN tb09j389n4t 3 41 on on ADP tb09j389n4t 3 42 the the DET tb09j389n4t 3 43 agulhas agulhas PROPN tb09j389n4t 3 44 plateau plateau NOUN tb09j389n4t 3 45 , , PUNCT tb09j389n4t 3 46 near near ADP tb09j389n4t 3 47 the the DET tb09j389n4t 3 48 stf stf NOUN tb09j389n4t 3 49 and and CCONJ tb09j389n4t 3 50 within within ADP tb09j389n4t 3 51 the the DET tb09j389n4t 3 52 agulhas agulhas PROPN tb09j389n4t 3 53 retroflection retroflection PROPN tb09j389n4t 3 54 pathway pathway PROPN tb09j389n4t 3 55 . . PUNCT tb09j389n4t 4 1 we we PRON tb09j389n4t 4 2 use use VERB tb09j389n4t 4 3 these these DET tb09j389n4t 4 4 multiproxy multiproxy ADJ tb09j389n4t 4 5 time time NOUN tb09j389n4t 4 6 - - PUNCT tb09j389n4t 4 7 series series NOUN tb09j389n4t 4 8 records record NOUN tb09j389n4t 4 9 from from ADP tb09j389n4t 4 10 3.6 3.6 NUM tb09j389n4t 4 11 to to ADP tb09j389n4t 4 12 1.9 1.9 NUM tb09j389n4t 4 13 and and CCONJ tb09j389n4t 4 14 1.4 1.4 NUM tb09j389n4t 4 15 to to PART tb09j389n4t 4 16 0.3 0.3 NUM tb09j389n4t 4 17 ma ma PROPN tb09j389n4t 4 18 to to PART tb09j389n4t 4 19 examine examine VERB tb09j389n4t 4 20 implied imply VERB tb09j389n4t 4 21 changes change NOUN tb09j389n4t 4 22 in in ADP tb09j389n4t 4 23 the the DET tb09j389n4t 4 24 upper upper ADJ tb09j389n4t 4 25 oceanographic oceanographic ADJ tb09j389n4t 4 26 conditions condition NOUN tb09j389n4t 4 27 during during ADP tb09j389n4t 4 28 the the DET tb09j389n4t 4 29 plio plio NOUN tb09j389n4t 4 30 - - PUNCT tb09j389n4t 4 31 pleistocene pleistocene NOUN tb09j389n4t 4 32 and and CCONJ tb09j389n4t 4 33 early early ADV tb09j389n4t 4 34 to to ADP tb09j389n4t 4 35 middle middle ADJ tb09j389n4t 4 36 pleistocene pleistocene NOUN tb09j389n4t 4 37 transitions transition NOUN tb09j389n4t 4 38 . . PUNCT tb09j389n4t 5 1 our our PRON tb09j389n4t 5 2 reconstructions reconstruction NOUN tb09j389n4t 5 3 suggest suggest VERB tb09j389n4t 5 4 that that SCONJ tb09j389n4t 5 5 during during ADP tb09j389n4t 5 6 the the DET tb09j389n4t 5 7 plio plio NOUN tb09j389n4t 5 8 - - PUNCT tb09j389n4t 5 9 pleistocene pleistocene NOUN tb09j389n4t 5 10 ( ( PUNCT tb09j389n4t 5 11 3.6 3.6 NUM tb09j389n4t 5 12 – – PUNCT tb09j389n4t 5 13 1.9 1.9 NUM tb09j389n4t 5 14 ma ma PROPN tb09j389n4t 5 15 ) ) PUNCT tb09j389n4t 5 16 , , PUNCT tb09j389n4t 5 17 the the DET tb09j389n4t 5 18 stf stf NOUN tb09j389n4t 5 19 reached reach VERB tb09j389n4t 5 20 its its PRON tb09j389n4t 5 21 most most ADV tb09j389n4t 5 22 northward northward ADJ tb09j389n4t 5 23 position position NOUN tb09j389n4t 5 24 during during ADP tb09j389n4t 5 25 marine marine ADJ tb09j389n4t 5 26 isotope isotope NOUN tb09j389n4t 5 27 stage stage NOUN tb09j389n4t 5 28 ( ( PUNCT tb09j389n4t 5 29 mis mis PROPN tb09j389n4t 5 30 ) ) PUNCT tb09j389n4t 5 31 m2 m2 PROPN tb09j389n4t 5 32 . . PUNCT tb09j389n4t 6 1 this this DET tb09j389n4t 6 2 northward northward ADJ tb09j389n4t 6 3 migration migration NOUN tb09j389n4t 6 4 not not PART tb09j389n4t 6 5 only only ADV tb09j389n4t 6 6 affected affect VERB tb09j389n4t 6 7 the the DET tb09j389n4t 6 8 upper upper ADJ tb09j389n4t 6 9 water water NOUN tb09j389n4t 6 10 column column NOUN tb09j389n4t 6 11 hydrology hydrology NOUN tb09j389n4t 6 12 and and CCONJ tb09j389n4t 6 13 biogeochemistry biogeochemistry NOUN tb09j389n4t 6 14 at at ADP tb09j389n4t 6 15 the the DET tb09j389n4t 6 16 agulhas agulhas PROPN tb09j389n4t 6 17 plateau plateau NOUN tb09j389n4t 6 18 but but CCONJ tb09j389n4t 6 19 significantly significantly ADV tb09j389n4t 6 20 reduced reduce VERB tb09j389n4t 6 21 agulhas agulhas PROPN tb09j389n4t 6 22 leakage leakage NOUN tb09j389n4t 6 23 during during ADP tb09j389n4t 6 24 the the DET tb09j389n4t 6 25 period period NOUN tb09j389n4t 6 26 between between ADP tb09j389n4t 6 27 3.3 3.3 NUM tb09j389n4t 6 28 3.15 3.15 NUM tb09j389n4t 6 29 ma ma PROPN tb09j389n4t 6 30 . . PUNCT tb09j389n4t 7 1 combined combine VERB tb09j389n4t 7 2 with with ADP tb09j389n4t 7 3 prior prior ADJ tb09j389n4t 7 4 evidence evidence NOUN tb09j389n4t 7 5 , , PUNCT tb09j389n4t 7 6 upper upper ADJ tb09j389n4t 7 7 water water NOUN tb09j389n4t 7 8 temperatures temperature NOUN tb09j389n4t 7 9 , , PUNCT tb09j389n4t 7 10 sea sea NOUN tb09j389n4t 7 11 surface surface NOUN tb09j389n4t 7 12 salinity salinity NOUN tb09j389n4t 7 13 ( ( PUNCT tb09j389n4t 7 14 sss sss PROPN tb09j389n4t 7 15 ) ) PUNCT tb09j389n4t 7 16 , , PUNCT tb09j389n4t 7 17 and and CCONJ tb09j389n4t 7 18 changes change NOUN tb09j389n4t 7 19 in in ADP tb09j389n4t 7 20 primary primary ADJ tb09j389n4t 7 21 productivity productivity NOUN tb09j389n4t 7 22 at at ADP tb09j389n4t 7 23 the the DET tb09j389n4t 7 24 agulhas agulhas PROPN tb09j389n4t 7 25 plateau plateau NOUN tb09j389n4t 7 26 suggest suggest VERB tb09j389n4t 7 27 the the DET tb09j389n4t 7 28 agulhas agulhas PROPN tb09j389n4t 7 29 leakage leakage NOUN tb09j389n4t 7 30 was be AUX tb09j389n4t 7 31 reestablished reestablish VERB tb09j389n4t 7 32 after after ADP tb09j389n4t 7 33 2.7 2.7 NUM tb09j389n4t 7 34 ma.our ma.our NOUN tb09j389n4t 7 35 multiproxy multiproxy ADJ tb09j389n4t 7 36 approach approach NOUN tb09j389n4t 7 37 across across ADP tb09j389n4t 7 38 the the DET tb09j389n4t 7 39 mid mid NOUN tb09j389n4t 7 40 - - NOUN tb09j389n4t 7 41 pleistocene pleistocene NOUN tb09j389n4t 7 42 transition transition NOUN tb09j389n4t 7 43 ( ( PUNCT tb09j389n4t 7 44 mpt mpt NOUN tb09j389n4t 7 45 , , PUNCT tb09j389n4t 7 46 ca can AUX tb09j389n4t 7 47 . . PUNCT tb09j389n4t 8 1 1.2–0.8 1.2–0.8 NUM tb09j389n4t 8 2 ma ma PROPN tb09j389n4t 8 3 ) ) PUNCT tb09j389n4t 8 4 suggests suggest VERB tb09j389n4t 8 5 that that SCONJ tb09j389n4t 8 6 in in ADP tb09j389n4t 8 7 the the DET tb09j389n4t 8 8 southwestern southwestern PROPN tb09j389n4t 8 9 indian indian PROPN tb09j389n4t 8 10 ocean ocean PROPN tb09j389n4t 8 11 , , PUNCT tb09j389n4t 8 12 the the DET tb09j389n4t 8 13 stf stf NOUN tb09j389n4t 8 14 was be AUX tb09j389n4t 8 15 further far ADV tb09j389n4t 8 16 south south ADV tb09j389n4t 8 17 from from ADP tb09j389n4t 8 18 the the DET tb09j389n4t 8 19 agulhas agulhas PROPN tb09j389n4t 8 20 plateau plateau NOUN tb09j389n4t 8 21 during during ADP tb09j389n4t 8 22 the the DET tb09j389n4t 8 23 mid mid ADJ tb09j389n4t 8 24 - - ADJ tb09j389n4t 8 25 pleistocene pleistocene ADJ tb09j389n4t 8 26 interim interim ADJ tb09j389n4t 8 27 state state NOUN tb09j389n4t 8 28 ( ( PUNCT tb09j389n4t 8 29 mpis mpis PROPN tb09j389n4t 8 30 , , PUNCT tb09j389n4t 8 31 0.9 0.9 NUM tb09j389n4t 8 32 0.47 0.47 NUM tb09j389n4t 8 33 ma ma PROPN tb09j389n4t 8 34 ) ) PUNCT tb09j389n4t 8 35 and and CCONJ tb09j389n4t 8 36 reached reach VERB tb09j389n4t 8 37 its its PRON tb09j389n4t 8 38 northernmost northernmost ADJ tb09j389n4t 8 39 position position NOUN tb09j389n4t 8 40 during during ADP tb09j389n4t 8 41 mis mis PROPN tb09j389n4t 8 42 34 34 NUM tb09j389n4t 8 43 - - SYM tb09j389n4t 8 44 24 24 NUM tb09j389n4t 8 45 and and CCONJ tb09j389n4t 8 46 mis mis PROPN tb09j389n4t 8 47 10 10 NUM tb09j389n4t 8 48 . . PUNCT tb09j389n4t 9 1 we we PRON tb09j389n4t 9 2 also also ADV tb09j389n4t 9 3 present present VERB tb09j389n4t 9 4 evidence evidence NOUN tb09j389n4t 9 5 that that SCONJ tb09j389n4t 9 6 only only ADV tb09j389n4t 9 7 the the DET tb09j389n4t 9 8 most most ADV tb09j389n4t 9 9 extreme extreme ADJ tb09j389n4t 9 10 northward northward ADJ tb09j389n4t 9 11 migrations migration NOUN tb09j389n4t 9 12 of of ADP tb09j389n4t 9 13 the the DET tb09j389n4t 9 14 stf stf NOUN tb09j389n4t 9 15 are be AUX tb09j389n4t 9 16 associated associate VERB tb09j389n4t 9 17 with with ADP tb09j389n4t 9 18 reduced reduce VERB tb09j389n4t 9 19 agulhas agulhas PROPN tb09j389n4t 9 20 leakage leakage NOUN tb09j389n4t 9 21 . . PUNCT tb09j389n4t 10 1 we we PRON tb09j389n4t 10 2 suggest suggest VERB tb09j389n4t 10 3 shifting shift VERB tb09j389n4t 10 4 westerly westerly ADJ tb09j389n4t 10 5 winds wind NOUN tb09j389n4t 10 6 may may AUX tb09j389n4t 10 7 exert exert VERB tb09j389n4t 10 8 a a DET tb09j389n4t 10 9 stronger strong ADJ tb09j389n4t 10 10 influence influence NOUN tb09j389n4t 10 11 over over ADP tb09j389n4t 10 12 agulhas agulhas PROPN tb09j389n4t 10 13 leakage leakage NOUN tb09j389n4t 10 14 variability variability NOUN tb09j389n4t 10 15 than than ADP tb09j389n4t 10 16 latitudinal latitudinal ADJ tb09j389n4t 10 17 migrations migration NOUN tb09j389n4t 10 18 of of ADP tb09j389n4t 10 19 the the DET tb09j389n4t 10 20 stf stf NOUN tb09j389n4t 10 21 . . PUNCT