In geochemistry, hydrology, paleoclimatology and paleoceanography, δ15N (pronounced "delta fifteen n") or delta-N-15 is a measure of the ratio of the two...

excreta δ15N. Since faecal and animal δ15N track plant δ15N, and under normal conditions total excreta δ15N is equivalent to dietary (plant) δ15N, it follows...

the Early and Middle Holocene. Lake Huguangyan's TOC, δ13Cwax, δ13Corg, δ15N values suggest the period of peak moisture lasted from 9,200 to 1,800 BP...

landscape of past feeding habits: Mapping geographic variations in the isotope (δ15N) -inferred trophic position of prehistoric human populations". Quaternary...

15N may refer to: Nitrogen-15 (15N), an isotope of nitrogen Δ15N, use of the isotope in paleoclimatology and hydrology Nitrogen-15 nuclear magnetic resonance...

during sapropel S1 formation. Additionally, he discovered unusually low δ15N levels in the eastern Mediterranean, attributed to extensive mineralization...

local populations of Lake Biwa catfish in Japan on the basis of δ13C and δ15N analyses". Canadian Journal of Zoology. 77 (2): 258–266. doi:10.1139/z98-210...

event, including small pyrite framboids, negative δ238U excursions, negative δ15N excursions, positive δ82/78Se isotope excursions, relatively positive δ13C...

polynomial hierarchy δ13C, a measure of the ratio of stable isotopes 13C:12C δ15N, a measure of the ratio of stable isotopes 15N:14N δ18O, a measure of the...

demonstrating habitat loss due to climate change was not responsible. Finally, high δ15N levels were found in cave bear bones from Romania, indicating wider dietary...