Table 1 Average mass storage rates and grain-size distributions for deposits stored on the Ganges–Brahmaputra delta over the last 12 kyr

From: Sediment delivery to sustain the Ganges-Brahmaputra delta under climate change and anthropogenic impacts

Years

Silt and clay (Mt/yr)

(<62.5 μm)

Very fine-fine sand (Mt/yr)

(62.5–250 μm)

Medium-coarse sand (Mt/yr)

(250–1000 μm)

6–0 kaa

389

294

162

8–6 kaa

425

519

309

10-8 ka

505

824

671

12–10 ka

171

277

371

  1. Highest rates of sediment delivery and storage in the delta occur between 10 and 8 ka and correspond with a sandier sediment load.
  2. aOffshore mass distributed with 75% of offshore material contained in the 6–0 ka unit and 25% of offshore material contained in the 8–6 ka unit.