Refining our knowledge of radionuclide fallout from global and French nuclear weapon tests to understand the sediment and legacy contaminants transport in Kerguelen archipelago fjord system affected by ice melting

This dataset contains multiple raduinuclides activities (210Pbex, 137Cs) and radionuclide ratio (240Pu/239Pu) , lead isotopic ration (204Pb, 206Pb, 207Pb, 208Pb) as well as metal (Na, Mg, Al, P, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Rb, Sr, Y, Mo, Ag, Cd, Sb, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Tl, Pb, Th, U) and persistent organic pollutants (PAHs, PCB, organochlorines and PBDEs) concentrations in a sediment core (MD09-3239, 36-m long giant piston core, section I, 49° 33.8 S-69° 13.9 E) sampled in Table Fjord from Kerguelen archepelago.