Table 1 Band-pass filtering analyses on the annually resolved records of biogenic silica and δ15N are used to highlight the relative contribution of multidecadal compared to interannual modes of oscillation to productivity and deoxygenation variability
From: North Atlantic temperature control on deoxygenation in the northern tropical Pacific
Biogenic silica | Nitrogen isotopic signal | |||
|---|---|---|---|---|
Sections | Period ≤ 10 years | Period > 10 years | Period ≤ 10 years | Period > 10 years |
# III | 61.8% | 38.2% | 34.8% | 65.2% |
# 2 | 56.6% | 43.4% | 30.8% | 69.2% |
# 10 | 73.1% | 26.9% | 34.1% | 65.9% |
# 17 | 37.4% | 62.6% | 32.9% | 67.1% |
# 26 | 65.7% | 34.3% | 37.8% | 62.2% |
# 45 | 38.0% | 58.0% | 30.6% | 69.4% |
# 46 | 52.1% | 47.9% | 31.7% | 68.3% |
# 47 | 57.2% | 42.8% | 37.7% | 62.3% |
# 50 | 51.0% | 49.0% | 22.7% | 77.3% |
Average | 54.8% | 44.8% | 32.6% | 67.4% |
