# Eclipse Icefield 1996 Stable Isotope Data #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite original reference when using these data, # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed # # # # Online_Resource: https://www.ncdc.noaa.gov/cdo/f?p=519:1:::::P1_STUDY_ID:6078 # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/24611 # # Original_Source_URL: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/trop/eclipse/eclipse1996.txt # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Ice Cores # -------------------- # Contribution_date # Date: 2008 # -------------------- # Title # Study_Name: Eclipse Icefield 1996 Stable Isotope Data # -------------------- # Investigators # Investigators: Yalcin, K.; Wake, C.P.; Germani, M. # -------------------- # Description_and_Notes # Description:A 160 m ice core was recovered in June 1996 from Eclipse Icefield # (60.51 degrees N, 139.47 degrees W, 3017 m elevation). # Visible stratigraphy (location and thickness of ice layers) and density # measurements were made in the field, and then the core was shipped frozen # to the University of New Hampshire. The core was continuously sampled in # 10 cm segments, corresponding to a minimum of 12 samples per year. # Above the firn-ice transition which occurs at 45 m depth, core was scraped # on an acrylic lathe system under a laminar flow bench using a titanium scraper # so that all surface and sub-surface contamination from the drilling process # was removed. Below the firn-ice transition, samples were cut into 3 x 3 cm # pieces 10 cm long and the middle of the samples melted out using a custom # made melter also used to sample the GISP2 ice core. # # Samples were analyzed for major ions (Na+, NH4+, K+, Mg2+, Ca2+, Cl-, NO3-, SO42-) # using a Dionex model 2010 ion chromatograph in a dedicated laboratory at the # University of New Hampshire. The cation system used a CS12A column with CSRS-ultra # suppressor in auto suppression recycle mode with 20 mM MSA eluent. The anion system # used an AS11 column with an ASRS-ultra suppressor in auto suppression recycle mode # with 6 mM NaOH eluent. Analytical precision was monitored by analyzing 10% of the # samples in duplicate and found to be 11% for K+, 10% for NH4+, 7% for Na+, and # less than 5% for all other species. Aliquots of the same samples were also # analyzed for oxygen isotopes (delta 18O) at the Stable Isotope Laboratory in # Copenhagen, Denmark (precision ± 0.05‰). # # Chronology of the Eclipse ice core is based on multi-parameter annual layer counting # of seasonal oscillations in the stable isotope and major ion records # (especially Na+ and NH4+). Age control on the chronology established via annual layer # counting is provided by the 1963 and 1961 beta activity reference horizons and # volcanic reference horizons identified by statistical analysis of the sulfate record # and verified by tephrochronology. The resulting time scale indicates that the # Eclipse 1996 ice core covers the period 1894 to 1996, with dating error in the core # estimated to be +1 year based on the number of independently dated horizons. # # The chemical data presented here are at sub-annual resolution, and annually averaged. # Data for the years 1894, 1995, and 1996 are incomplete and not included in the # annual averages. # # -------------------- # Publication # Authors: K . Yalcin, C.P. Wake, and M. Germani # Published_Date_or_Year: 2003-01-08 # Published_Title: A 100-year record of North Pacific volcanism in an ice core from Eclipse Icefield, Yukon Territory,Canada # Journal_Name: Journal of Geophysical Research # Volume: 108 # Edition: # Issue: # Pages: # DOI: 10.1029/2002JD00244 # Online_Resource: # Full_Citation: # Abstract: A record of regionally significant volcanic eruptions in the North Pacific over the last century has been developed using a glaciochemical record from Eclipse Icefield, Yukon Territory, Canada. Tephrochronology of the Eclipse ice core provides positive identification of the 1907 Ksudach, Kamchatka, the 1912 Katmai, Alaska, the 1947 Hekla, Iceland, and the 1989 Redoubt, Alaska, eruptions. Non-sea-salt SO42- residuals above a robust spline and empirical orthogonal function (EOF) analysis were used to identify volcanic SO42- signatures. Volcanic sulfate values are more conservatively identified by the EOF analysis as sulfate deposition from other sources is more robustly accounted for. Some eruptions are also recorded as peaks in non-sea-salt chloride. The volcanic signals in the Eclipse ice core are mostly attributable to Alaskan, Aleutian, or Kamchatkan eruptions. Conversely, the Eclipse ice core provides a poor record of globally significant tropical eruptions. These results are promising for the development of longer ice core based records of paleovolcanism in the North Pacific rim. # -------------------- # Authors: Anderson, D.M., Tardif, R., Horlick, K., Erb, M.P., Hakim, G.J., Noone, D., Perkins, W.A., and E. Steig # Published_Date_or_Year: 2018 # Published_Title: Additions to the last millennium reanalysis multi-proxy database # Journal_Name: Data Science Journal # Volume: # Edition: # Issue: # Pages: # Report_Number: # DOI: # Online_Resource: # Full_Citation: Anderson, D.M., Tardif, R., Horlick, K., Erb, M.P., Hakim, G., J., Noone, D., Perkins, W.A., and E. Steig, submitted. Additions to the last millennium reanalysis multi-proxy database. Data Science Journal. # Abstract: Progress in paleoclimatology increasingly occurs via data syntheses. We describe additions to a collection prepared for use in paleoclimate state estimation, specifically the Last Millennium Reanalysis (LMR). The 2290 additional series include 2152 tree ring chronologies and 138 other series. They supplement the collection used previously and together form a database titled LMRdb 1.0.0. The additional data draws from lake core, ice core, coral, speleothem, and tree ring archives, using published data primarily from the NOAA Paleoclimatology archive and a set of tree ring width chronologies standardized from raw International Tree Ring Data Bank ring width series. In contrast to many previous paleo compilations, the data were not selected (screened) on the basis of their environmental correlation, multi-century length, or other attributes. The inclusion of proxies sensitive to moisture and other environmental variables expands their use in data assimilation. A preliminary calibration using linear regression with mean annual temperature reveals characteristics of the proxy series and their relationship to temperature, as well as the noise and error characteristics of the records. The additional records are structured as individual files in the NOAA Paleoclimatology format and archived at NOAA Paleoclimatology (Anderson et al. 2018) and will continue to be improved and expanded as part of the LMR Project. The additions represent a four-fold increase in the number of records available for assimilation, provide expanded geographic coverage, and add additional proxy variables. Applications include data assimilation, proxy system model development, and paleoclimate reconstruction using climate field reconstruction and other methods. #------------------ # Funding_Agency # Funding_Agency_Name: United States National Science Foundation # -------------------- # Funding_Agency_Name: National Science Foundation # Grant:AGS-1304263 # Funding_Agency_Name: National Oceanic and Atmospheric Administration # Grant:NA14OAR4310176 #------------------ # Site_Information # Site_Name: Eclipse Icefield # Location: North America>Canada>Yukon Territory # Country: Canada # Northernmost_Latitude: 60.510 # Southernmost_Latitude: 60.510 # Easternmost_Longitude: -139.470 # Westernmost_Longitude: -139.470 # Elevation: 1828 m # -------------------- # Data_Collection # Collection_Name: 96Ecli01 # Earliest_Year: 1894 # Most_Recent_Year: 1996 # Time_Unit: y_ad # Notes: {"database":"LMR"} # # -------------------- # Variables # # Data variables follow that are preceded by "##" in columns one and two. # Data line variables format: Variables list, one per line, shortname-tab-longname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) # ##age age,,,years AD,,,,,N ##d18O delta 18 oxygen,,,permil SMOW,,Ice Cores,,,N # # -------------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing values: NAN # age d18O 1996.5 -27.28 1996.481 -31.31 1996.468 -22.46 1996.458 -19.86 1996.447 -20.8 1996.434 -22.05 1996.425 -23.08 1996.415 -27.14 1996.403 -27.24 1996.39 -26.12 1996.377 -26.11 1996.364 -27.35 1996.349 -25.92 1996.334 -24.35 1996.318 -24.81 1996.302 -26.99 1996.285 -27.86 1996.27 -26.73 1996.254 -25.25 1996.238 -23.31 1996.224 -21.74 1996.208 -21.09 1996.192 -21.33 1996.177 -23.42 1996.162 -25.57 1996.146 -26.26 1996.129 -25.94 1996.113 -25.97 1996.093 -26.02 1996.072 -25.37 1996.055 -27.6 1996.038 -28.13 1996.021 -28.05 1996 -26.03 1995.99 -28.9 1995.975 -29.3 1995.961 -27.24 1995.946 -28.1 1995.932 -28.89 1995.916 -29.04 1995.9 -27.04 1995.883 -25.89 1995.868 -24.85 1995.855 -25.45 1995.842 -26.28 1995.828 -25.39 1995.816 -23.15 1995.805 -19.71 1995.794 -16.84 1995.783 -15.91 1995.771 -15.78 1995.266 -25.93 1995.227 -26.57 1995.174 -26.74 1995.111 -26.83 1995.051 -26.53 1995.001 -27.33 1995 -28.01 1994.98 -27.94 1994.955 -27.59 1994.929 -26.89 1994.891 -26.75 1994.852 -26.67 1994.821 -25.94 1994.792 -25.74 1994.765 -24.77 1994.735 -23.61 1994.704 -23.27 1994.674 -23.33 1994.648 -23.7 1994.623 -23.58 1994.599 -23.49 1994.572 -22.78 1994.5 -22.71 1994.474 -22.6 1994.445 -22.79 1994.411 -23.26 1994.375 -23.43 1994.335 -24.48 1994.291 -25.91 1994.25 -27.09 1994.211 -28.15 1994.172 -28.17 1994.128 -27.26 1994.087 -27.37 1994.053 -26.92 1994 -26.42 1993.928 -25.41 1993.883 -27.44 1993.843 -27.63 1993.806 -28.27 1993.766 -28.18 1993.725 -26.87 1993.683 -23.87 1993.642 -22.23 1993.601 -23.08 1993.557 -23.75 1993.522 -20.73 1993.498 -21.03 1993.5 -22.33 1993.457 -24.69 1993.426 -24.85 1993.395 -23.42 1993.363 -22.54 1993.335 -22.87 1993.31 -23.69 1993.284 -24.63 1993.258 -24.52 1993.234 -24.02 1993.208 -23.6 1993.18 -24.56 1993.149 -25.93 1993.117 -26.93 1993.085 -27.17 1993.057 -27.9 1993.031 -28.12 1993.009 -28.05 1993 -28.56 1992.987 -27.92 1992.966 -28.42 1992.943 -27.69 1992.917 -26.74 1992.891 -26.42 1992.863 -26.45 1992.838 -27.04 1992.815 -26.96 1992.788 -26.36 1992.755 -25.54 1992.728 -22.18 1992.706 -22.45 1992.683 -24.24 1992.659 -27.35 1992.632 -25.37 1992.601 -27.09 1992.572 -27.88 1992.541 -27.78 1992.5 -26.91 1992.468 -26.14 1992.432 -26.32 1992.402 -26.58 1992.377 -26.98 1992.348 -26.97 1992.316 -22.11 1992.283 -22.22 1992.251 -23.53 1992.218 -24.45 1992.186 -26.36 1992.153 -28.42 1992.122 -28.9 1992.092 -28.63 1992.063 -28.57 1992.034 -28.01 1992 -29.1 1991.992 -29.48 1991.948 -29.43 1991.906 -28.82 1991.862 -27.77 1991.818 -26.79 1991.778 -25.42 1991.743 -24.06 1991.715 -23.54 1991.683 -23.28 1991.649 -22.61 1991.61 -20.55 1991.572 -20.1 1991.5 -20.58 1991.494 -21.75 1991.459 -22.06 1991.43 -21.79 1991.396 -22.81 1991.357 -23.63 1991.321 -24.49 1991.286 -24.78 1991.256 -25.87 1991.23 -26.41 1991.196 -26.89 1991.153 -28.42 1991.111 -28.45 1991.07 -28.27 1991 -28.11 1990.919 -28.48 1990.875 -29.01 1990.834 -28.93 1990.799 -29.09 1990.759 -27.46 1990.715 -25.22 1990.677 -22.96 1990.645 -22.29 1990.608 -21.64 1990.572 -21.68 1990.539 -21.38 1990.503 -20.79 1990.5 -20.46 1990.48 -20.55 1990.447 -20.56 1990.41 -20.57 1990.369 -21.37 1990.325 -23.29 1990.285 -24.23 1990.25 -25.4 1990.211 -25.59 1990.167 -26.11 1990.123 -26.26 1990.084 -26.58 1990.049 -26.45 1990 -26.54 1989.959 -27.06 1989.92 -25.88 1989.879 -24.57 1989.844 -24.59 1989.807 -27.54 1989.768 -27.64 1989.734 -25.25 1989.702 -26.11 1989.67 -27.17 1989.637 -26.12 1989.602 -25.54 1989.565 -23.42 1989.527 -20.77 1989.5 -19.05 1989.484 -19.29 1989.434 -20.12 1989.385 -21.75 1989.33 -24.63 1989.269 -26.39 1989.21 -26.79 1989.153 -26.84 1989.097 -26.03 1989 -26.37 1988.924 -25.93 1988.874 -26.63 1988.823 -27.14 1988.773 -25.89 1988.724 -22.86 1988.674 -21.91 1988.623 -22.68 1988.572 -23.5 1988.521 -22.98 1988.5 -22.87 1988.45 -22.44 1988.419 -22.39 1988.393 -23.34 1988.366 -24.25 1988.34 -25.3 1988.316 -27.49 1988.287 -26.67 1988.26 -27.49 1988.238 -27.68 1988.212 -27.33 1988.181 -27.34 1988.153 -26.31 1988.128 -25.89 1988.103 -26.13 1988.075 -27.33 1988.044 -28.89 1988.015 -29.85 1988 -29.87 1987.998 -29.3 1987.962 -28.6 1987.925 -27.97 1987.887 -28.38 1987.848 -27.79 1987.81 -26.56 1987.77 -25.12 1987.73 -24.15 1987.692 -24.05 1987.654 -24.94 1987.615 -25.45 1987.577 -24.13 1987.5 -21.04 1987.447 -20.68 1987.399 -22.83 1987.356 -24.88 1987.318 -25.43 1987.278 -25.62 1987.236 -26 1987.193 -26.35 1987.148 -26.85 1987.107 -27.02 1987.071 -26.91 1987.035 -26.56 1987 -26.73 1986.924 -27.76 1986.864 -27.16 1986.804 -26.25 1986.748 -25.69 1986.698 -25.8 1986.648 -25.54 1986.599 -24.5 1986.544 -22.89 1986.5 -22.07 1986.493 -20.02 1986.453 -20.55 1986.411 -22.41 1986.371 -22.62 1986.334 -23.61 1986.298 -24.36 1986.26 -25.5 1986.219 -27.77 1986.18 -27.6 1986.141 -26.1 1986.102 -25.44 1986.063 -25.83 1986 -26.66 1985.924 -26.54 1985.886 -26.13 1985.848 -25.24 1985.807 -25.21 1985.768 -25.85 1985.733 -26.52 1985.694 -26.83 1985.653 -25.42 1985.606 -25.67 1985.557 -24.07 1985.511 -23.07 1985.5 -22.93 1985.493 -23.36 1985.454 -23.37 1985.41 -24.59 1985.363 -25.49 1985.315 -26.04 1985.265 -27.92 1985.216 -27.47 1985.169 -26.09 1985.122 -26.5 1985.075 -28.16 1985 -29.16 1984.892 -28.4 1984.83 -26.89 1984.767 -25.45 1984.705 -25.84 1984.641 -27.46 1984.58 -27.37 1984.519 -26.12 1984.5 -24.96 1984.418 -24.42 1984.344 -24.67 1984.269 -26.29 1984.179 -27.25 1984.127 -27.23 1984.074 -27.54 1984 -27.48 1983.928 -25.91 1983.873 -24.42 1983.839 -25.12 1983.806 -25.94 1983.772 -25.66 1983.739 -25.17 1983.706 -24.11 1983.657 -26.85 1983.625 -25.14 1983.592 -24.43 1983.542 -23.59 1983.504 -23.23 1983.5 -23.37 1983.423 -23.51 1983.373 -24.64 1983.307 -23.76 1983.24 -22.83 1983.158 -26.21 1983.087 -25.97 1983.033 -26.32 1983 -26.7 1982.923 -27.14 1982.849 -25.74 1982.774 -24.3 1982.672 -22.75 1982.57 -22.62 1982.5 -23.73 1982.374 -23.43 1982.293 -23.02 1982.211 -22.72 1982.13 -26.43 1982.04 -29.04 1982 -28.58 1981.97 -29.61 1981.942 -29.23 1981.914 -22.26 1981.876 -22.21 1981.854 -21.99 1981.822 -23.02 1981.787 -23.77 1981.759 -25.86 1981.73 -26.77 1981.698 -26.77 1981.664 -26.88 1981.638 -27.83 1981.612 -23.35 1981.585 -24.18 1981.557 -21.82 1981.529 -19.89 1981.5 -20.59 1981.431 -20.97 1981.385 -22.95 1981.34 -23.85 1981.294 -24.45 1981.251 -25.32 1981.207 -25.89 1981.159 -26.36 1981.098 -26.02 1981.06 -25.21 1981.022 -25.36 1981 -26.43 1980.981 -27.53 1980.937 -26.85 1980.893 -26.01 1980.856 -25.34 1980.819 -24.75 1980.78 -24.88 1980.741 -25.52 1980.683 -24.43 1980.625 -22.9 1980.575 -22.29 1980.5 -22.45 1980.412 -22.36 1980.36 -22.64 1980.314 -23.55 1980.267 -24.42 1980.22 -24.9 1980.18 -25.35 1980.141 -26.01 1980.096 -27.3 1980.052 -27.92 1980.007 -27.63 1980 -27.39 1979.908 -27.41 1979.84 -28.17 1979.772 -27.01 1979.699 -24.37 1979.635 -23.65 1979.571 -22.6 1979.513 -21.63 1979.5 -20.94 1979.444 -20.99 1979.396 -21.01 1979.349 -22.54 1979.302 -22.72 1979.255 -25.56 1979.205 -26.49 1979.155 -26.44 1979.095 -26.66 1979.043 -27.81 1979 -27.38 1978.91 -27.01 1978.857 -25.82 1978.821 -24.88 1978.785 -23.88 1978.748 -27.45 1978.709 -27.21 1978.671 -27.24 1978.63 -27.57 1978.589 -24.3 1978.545 -23.29 1978.504 -23.47 1978.5 -24.12 1978.453 -24.79 1978.395 -24.36 1978.336 -24.58 1978.269 -24.53 1978.203 -25.33 1978.136 -27.09 1978.075 -29.47 1978 -26.77 1977.881 -27.18 1977.812 -29.88 1977.738 -27.49 1977.665 -23.7 1977.595 -22.71 1977.525 -22.84 1977.5 -22.83 1977.393 -24.09 1977.334 -25.61 1977.274 -25.67 1977.197 -26.16 1977.137 -26.05 1977.081 -25.06 1977.024 -25.17 1977 -26.14 1976.83 -26.45 1976.71 -26.23 1976.589 -24.74 1976.5 -23.72 1976.299 -24.56 1976.135 -25.99 1976 -26.97 1975.914 -27.29 1975.836 -26 1975.728 -25.81 1975.62 -24.83 1975.5 -23.94 1975.457 -23.42 1975.385 -23.98 1975.32 -25.19 1975.247 -26.77 1975.175 -28.12 1975.102 -27.96 1975 -27.2 1974.98 -25.8 1974.939 -26.49 1974.892 -26.04 1974.845 -26.72 1974.798 -25.88 1974.75 -25.68 1974.699 -28.25 1974.647 -25.54 1974.596 -22.94 1974.558 -21.43 1974.5 -20.11 1974.475 -20.33 1974.419 -22.06 1974.369 -24.31 1974.319 -25.88 1974.244 -27.6 1974.175 -30.26 1974.106 -29.24 1974 -29.23 1973.954 -29.78 1973.923 -28.86 1973.884 -27.66 1973.846 -27.42 1973.81 -26.71 1973.773 -25.63 1973.731 -26.09 1973.689 -26.75 1973.66 -26.47 1973.631 -26.17 1973.598 -24.75 1973.562 -24.07 1973.525 -23.34 1973.5 -20.26 1973.437 -20.45 1973.337 -22.71 1973.237 -25.17 1973.137 -26.48 1973 -26.85 1972.894 -26.7 1972.771 -25.62 1972.648 -25.4 1972.5 -23.32 1972.367 -24.01 1972.26 -26.67 1972.164 -29.04 1972.069 -28.93 1972 -28.08 1971.925 -27.01 1971.879 -25.6 1971.827 -26.71 1971.776 -27.26 1971.724 -28.85 1971.672 -29.36 1971.621 -28.54 1971.569 -24.17 1971.517 -23.69 1971.5 -20.18 1971.383 -21.78 1971.311 -25.08 1971.239 -26.9 1971.168 -27.06 1971.096 -27.09 1971.025 -29.3 1971 -29.56 1970.947 -28.46 1970.906 -27.32 1970.865 -25.02 1970.824 -23.22 1970.782 -26.34 1970.74 -26.61 1970.698 -26.31 1970.656 -27.07 1970.614 -22.73 1970.572 -22.99 1970.529 -22.61 1970.5 -22.45 1970.388 -26.11 1970.307 -23.92 1970.23 -24.04 1970.159 -24.23 1970.087 -27.9 1970 -25.24 1969.919 -24.3 1969.84 -23.95 1969.768 -25.56 1969.696 -23.66 1969.612 -25.6 1969.531 -24.24 1969.463 -26.23 1969.385 -26.47 1969.298 -26.07 1969.214 -25.28 1969.134 -25.01 1969.054 -25.95 1969 -26.28 1968.951 -26 1968.878 -24.99 1968.806 -25.17 1968.746 -25.81 1968.699 -25.3 1968.647 -24.29 1968.589 -23 1968.5 -22.5 1968.425 -23.59 1968.357 -24.96 1968.288 -25.22 1968.22 -25.4 1968.147 -26 1968.068 -27.14 1968 -29.03 1967.961 -28.49 1967.909 -28.38 1967.857 -23.3 1967.805 -22.09 1967.754 -24.15 1967.704 -24.66 1967.658 -24.86 1967.608 -25.63 1967.559 -26.9 1967.5 -24.46 1967.407 -24.23 1967.313 -24.78 1967.209 -24.39 1967.094 -25.83 1967 -27.58 1966.897 -28.79 1966.815 -27.13 1966.726 -23.64 1966.648 -23.77 1966.585 -24.15 1966.532 -24.18 1966.5 -21.04 1966.403 -22.82 1966.336 -26.41 1966.276 -23.49 1966.219 -25.5 1966.168 -25.58 1966.123 -26.82 1966.079 -27.95 1966.031 -28.65 1966 -27.46 1965.953 -27.48 1965.886 -27.49 1965.819 -26.38 1965.752 -22.99 1965.692 -22.07 1965.638 -23.69 1965.583 -22.19 1965.5 -23.06 1965.431 -23.97 1965.398 -22.54 1965.359 -26.42 1965.316 -26.15 1965.274 -25.16 1965.231 -25.3 1965.188 -25.52 1965.143 -25.28 1965.096 -25 1965.051 -25.64 1965.008 -27.54 1965 -28.12 1964.914 -26.24 1964.8 -25.55 1964.709 -24.68 1964.618 -24.93 1964.5 -26.03 1964.45 -24.71 1964.368 -23.26 1964.286 -26.52 1964.202 -26.33 1964.12 -24.94 1964 -26.71 1963.925 -25.73 1963.851 -25.25 1963.771 -26.66 1963.695 -25.26 1963.625 -25.5 1963.559 -22.52 1963.5 -20.35 1963.478 -21.71 1963.415 -24.2 1963.337 -25.66 1963.246 -27.37 1963.168 -28.34 1963.103 -27.01 1963 -27.36 1962.916 -28.28 1962.873 -27.74 1962.828 -23.27 1962.778 -22.52 1962.726 -25.03 1962.682 -25.78 1962.645 -26.88 1962.604 -23.36 1962.558 -25.4 1962.512 -26.8 1962.5 -22.53 1962.408 -24.23 1962.329 -24.7 1962.26 -26.45 1962.202 -26.12 1962.136 -27.14 1962.063 -28.2 1962 -28.57 1961.974 -29.06 1961.918 -27.61 1961.861 -23.43 1961.804 -23.67 1961.747 -23.05 1961.69 -24.31 1961.635 -24.56 1961.582 -23.72 1961.5 -22.75 1961.432 -23.32 1961.387 -24.06 1961.341 -24.51 1961.294 -26.78 1961.247 -29.15 1961.2 -29.18 1961.154 -27.3 1961.108 -26.66 1961.063 -25.25 1961 -25.41 1960.973 -26.91 1960.928 -27.82 1960.885 -26.84 1960.845 -25.9 1960.806 -24.75 1960.77 -23.89 1960.729 -27.76 1960.684 -26.9 1960.628 -24.88 1960.57 -21.92 1960.523 -25.74 1960.5 -23 1960.41 -21.77 1960.336 -24.62 1960.282 -25.69 1960.229 -26.87 1960.175 -22.02 1960.113 -23.44 1960.052 -25.52 1960 -28.04 1959.902 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