WebApr 1, 2009 · Here we present a one-dimensional, thermal consolidation model for rafted sea ice. We consider the consolidation between the layers of both a two-layer and a three … WebDebris is usually concentrated in a 1-3 m layer at the base of a glacier; if present in calved icebergs, this layer is rapidly melted within a few 10s to 100s of km from an ice margin. Ice rafted debris (IRD) is frequently characterized by the weight percentage or counts of mineral grains within certain size fractions (i.e. > 63, > 250 µm, etc ...
Ice rafting - Wikipedia
WebMar 25, 2024 · Quantification of ice rafted debris (IRD) abundances in deep-sea records is often used as a key proxy for identifying links between ice sheet instability and the … WebOct 11, 2024 · Probably, this can be an indication of the Heinrich-like event H-0 as a massive accumulation of the ice-rafted sediment material on the bottom of the northwestern Atlantic Ocean that occurred during the YD . Andrews proposed the Hudson Bay as a source area for the ice-rafted sediments. However ... redhouse fc sunderland
Ice-Rafted Debris (IRD) SpringerLink
WebDec 1, 2012 · Thick sea ice features such as ridges or rafted sea ice are a hazard to offshore operations, as when driven by wind or ocean currents, they have the potential to exert huge forces on drilling rigs or artificial islands. To date rafting has not received as much attention as ridging in the literature. WebJul 13, 2024 · For the first time we combine outputs from a climate model with a thermodynamic iceberg model to simulate likely source regions for ice‐rafted debris (IRD) found in the Nordic Seas from Marine Isotope Stage M2 to the mid‐Piacenzian Warm Period and what this implies about the nature of the Arctic cryosphere at this time. WebIce-Rafted Sediments as a Cause of Some Thermokarst Lakes in the Noatak River Delta, Alaska Ugolini, F. C. Irregular, barren polygonal sheets of mud scattered over the … red house farm whitley bay