Her results will help illuminate how climatic and environmental change served as a backdrop to cultural changes. Anton Seimon | Walker College of Business The Cryosphere 7, 103118 (2013). The Pomacanchi meteorological station (3,200m asl), ~60km west-southwest of Laguna Sibinacocha, records mean minimum and maximum daily temperatures of 2.8 and 17.2C, respectively, and mean annual precipitation of 851mm (19852014). Unable to load your collection due to an error, Unable to load your delegates due to an error, Location of Laguna Sibinacocha in the Peruvian Andes showing the region of the lake where the study pot was recovered (red rectangle). Science 266, 416419 (1994). The .gov means its official. Copyright - Sibinacocha Watershed Project -. A pre-Inca pot from underwater ruins discovered in an Andean lake provides a sedimentary record of marked hydrological change. Kylie Quave provided interpretation of the study pot and helpful comments on the manuscript. However, even if we accept the oldest age range of 16631682 CE, this indicates sediment began accumulating ~130150 years after the end of Inca reign, negating the possibility that Incas cast the pot into the lake after the flood. The exact location of the study pot is not shown in order to protect the archaeological site. Radiocarbon 54, 219237 (2012). Urton, G. Animals and Astronomy in the Quechua Universe. Similar artifacts, as well as mortuary monuments, have also been found on the surrounding landscape and tentatively date to multiple periods including the Formative Period in the Cuzco region (2500 BCE200 CE), the Late Intermediate Period (~10001400 CE), the Inca Empire (~14001532 CE) and Colonial (15321800s CE). (Duke University Press, 2010). Proc Am Phil Soc 125, 110127 (1981). This is further complicated by the fact that the division between hemispheric air masses is the Intertropical Convergence Zone, which is not fixed but rather moves seasonally as well as over long-term timescales42. 8600 Rockville Pike The bottom of the pot contained three large stones arranged in the shape of a phallus (Fig. The CRS dates were developed using the ScienTissiME package in MatLab38. The timing of the lake-level rise during a wet phase of the LIA provides evidence that the lake and its watershed are susceptible to large changes in hydrology.