Applications of Higher-Order Optimal Newton Secant Iterative Methods in Ocean Acidification and Investigation of Long-Run Implications of CO_𝟐 Emissions on Alkalinity of Seawater

Table 1

pH of oceans using the 𝑃_𝑡 from NOAA from 1959 to 2012.

Time	𝑃𝑡	pH	Time	𝑃𝑡	pH
1959	315.98	8.1794	1986	347.19	8.1463
1960	316.91	8.1784	1987	348.98	8.1444
1961	317.64	8.1776	1988	351.45	8.1419
1962	318.45	8.1767	1989	352.90	8.1405
1963	318.99	8.1761	1990	354.16	8.1392
1964	319.62	8.1754	1991	355.48	8.1379
1965	320.04	8.1749	1992	356.27	8.1371
1966	321.38	8.1735	1993	356.95	8.1364
1967	322.16	8.1726	1994	358.64	8.1347
1968	323.04	8.1717	1995	360.62	8.1328
1969	324.62	8.1699	1996	362.36	8.1311
1970	325.68	8.1688	1997	363.47	8.1300
1971	326.32	8.1681	1998	366.50	8.1270
1972	327.45	8.1669	1999	368.14	8.1254
1973	329.68	8.1645	2000	369.40	8.1242
1974	330.17	8.1640	2001	371.07	8.1226
1975	331.08	8.1630	2002	373.17	8.1206
1976	332.05	8.1620	2003	375.78	8.1181
1977	333.78	8.1602	2004	377.52	8.1165
1978	335.41	8.1584	2005	379.76	8.1144
1979	336.78	8.1570	2006	381.85	8.1124
1980	338.68	8.1550	2007	383.71	8.1107
1981	341.11	8.1525	2008	385.57	8.1089
1982	341.22	8.1524	2009	387.35	8.1073
1983	342.84	8.1507	2010	389.85	8.1050
1984	344.41	8.1491	2011	391.62	8.1033
1985	345.87	8.1476	2012	393.81	8.1013