This README is designated for Webster et al 2021 "Alterations to sediment nutrient deposition and transport along a six reservoir sequence" sediment core data. File Webster2021_SedCoreData Sediment cores WP, HA, GR, OL, and EU were all collected by Webster and Waters. Publication includes: https://doi.org/10.1016/j.scitotenv.2021.147246 "Alterations to sediment nutrient deposition and transport along a six reservoir sequence" Sediment core SE was collected by Waters and Golladay. Publication includes: https://doi.org/10.1007/s10750-014-2142-8 "The potential effects of river regulation and watershed land use on sediment characteristics and lake primary producers in a large reservoir" Reservoirs: -WP — West Point Lake -HA — Lake Harding -GR — Goat Rock Lake -OL — Lake Oliver -EU — Lake Eufaula -SE — Lake Seminole Variables Units Core Depth — cm Organic Matter (OM) — % Bulk Density (Bulk D) — g*cm^3 Phosphorus (P) — mg*g^-1 Organic Carbon (C) — % Organic Nitrogen (N) — % C:N — molar N:P — molar δ15N (Del_N) — per mill Total Potassium (K) — mg*g^-1 Total Sulfur (S) — mg*g^-1 Total Boron (B) — mg*g^-1 Total Zinc (Zn) — mg*g^-1 Total Manganese (Mn) — mg*g^-1 Total Iron (Fe) — mg*g^-1 Total Copper (Cu) — mg*g^-1 Total Calcium (Ca) — mg*g^-1 Total Magnesium (Mg) — mg*g^-1 Total Sodium (Na) — mg*g^-1 Total Aluminum (Al) — mg*g^-1 Total Cadmium (Cd) — mg*g^-1 Total Cobalt (Co) — mg*g^-1 Total Chromium (Cr) — mg*g^-1 Total Molybdenum (Mo) — mg*g^-1 Total Lead (Pb) — mg*g^-1 Total Nickel (Ni) — mg*g^-1 Sample Age (Date) — year Fucoxanthin (fuco) — nmol*g-1 Alloxanthin (allo) — nmol*g-1 Diatoxanthin (diato) — nmol*g-1 Lutein+Zeaxanthin (lut_zea) — nmol*g-1 Chlorophyll — b — nmol*g-1 Chlorophyll — a — nmol*g-1 Pheophytin-a (pheo_a) — nmol*g-1 Pyropheophorbide-a (pyro) — nmol*g-1 Canthaxanthin (canth) — nmol*g-1 Beta Carotene (b-car) — nmol*g-1 Values of -999 are marked for either missing or having value below detection.