Skip to main content

Table 1 Decreasing trends estimated from sclerosponge δ13C records since 1800

From: Reconstruction of ocean environment time series since the late nineteenth century using sclerosponge geochemistry in the northwestern subtropical Pacific

 

Locality

Water depth (m)

Before 1960

After 1960

Period

δ13C slope for 1880-1960

Period

δ13C slope for 1960-1992

(‰/year)

(‰/year)

(‰/year)

(‰/year)

Pacific Ocean (this study)

 MNZ-S1

Okinawa Is.

2

   

1960-2015

−0.024

−0.019

 SMJ-2-S1

Miyako Is.

10

1880-1960

−0.0043

−0.0043

1960-2012

−0.023

−0.020

Atlantic Ocean (Carribean Sea)

 Lazareth et al. (2000)

Jamaica Bay

30

1800-1960

−0.0037

−0.0049

1960-1983

−0.010

 

 Böhm et al. (2002)

(Ce96-1)

Montego Bay

20

1800-1960

−0.0031

−0.0033

1960-1995

−0.015

−0.015

 Böhm et al. (2002)

(Ce95-2-1)

Montego Bay

20

1800-1960

−0.0030

−0.0048

1960-1994

−0.016

−0.016

 Böhm et al. (2002)

(Ce95-2-2)

Montego Bay

20

1889-1960

−0.0040

 

1960-1993

−0.017

−0.017

 Böhm et al. (2002)

Rio Bueno, Jamaica

20

1827-1960

−0.0040

−0.0060

1960-1986

−0.013

 

 Böhm et al. (2002)

Pedro Bank

125

1800-1960

−0.0026

−0.0038

1960-1992

−0.017

−0.017

 Swart et al. (2002)

Tongue of the Ocean

146

1886-1960

−0.0079

 

1960-1992

−0.006

−0.006