81, 15251536 (2000). To maximize our chances of identifying erroneous values, the histograms and maps were examined by all co-authors. The histograms allowed us to identify outliers while the maps provided geographic plots that could be examined for unusual observations or spatial patterns that might indicate technical errors during the assembly of the dataset. Homes built in the 1990s and first decade of the new century tended to be much grander than the simple cottages of the 1960s. Geophys. We subsequently computed the mean temperature of a 3-month period over all 92 daily values obtained from the fitted LOWESS curve. Between 1986 and 2005, global air temperatures have increased by 0.61C (ref. Oceanogr. Hispanic or Latino of any race were 1.49% of the population. This technique provides a continuous temperature estimate and is robust against outliers in the observations helping to avoid sampling bias in the calculation of the 3-month mean. The views are nothing short of breathtaking. A naive Bayesian cloud-detection scheme derived from CALIPSO and applied within PATMOS-x. Phytoplankton community reorganization driven by eutrophication and warming in Lake Biwa. All lakes were sampled daily at a depth of 0.2m from sites close to the water level gauge. Sudbury area lakes have been sampled by the Cooperative Freshwater Ecology Unit at Laurentian University, under the supervision of two research scientists, Bill Keller and Norman Yan. The samples were collected from the North Pine vertical profiler approximately 100m upstream of North Pine Dam Wall and two thermistor strings (approximately 1.3 and 3.4km upstream of the dam wall). Oceanogr. RealFeel 81. Bull. For every 100 females age 18 and over, there were 100.0 males. Creekside Paradise Bed And Breakfast. The lake was sampled at the following depths: 0, 10, 25, 50, 100, 250m. The samples were obtained from a long-term station in the southern basin approximately 2.7km offshore from Bolshie Koty where the water depth is approximately 800m (ref. Exceptions were latitudes less than 23.5, for which the JAS metric was used south of the equator and the JFM metric was used north of the equator. Freshwater ecosystems are vulnerable to the effects of global environmental change1. The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions (i.e. However, the spatial and temporal coherence associated with the magnitude of these trends remains unclear. If sampling did not extend to or beyond the start and end dates of the interpolation period, we used a curve-fitting extrapolation routine (see below). Specifically, temperatures were measured at depths of 0, 2, 5, 10, 15, 20, 30, 50, and 100m at the centre of the lake21. Meteorol. for Lake Santeetlah, North Carolina Waters 3, 341350 (2013). Soc 73, 985993 (1992). Lake Pyhselk (Pyhaselka), located in North Karelia, Finland, was sampled 0 to 3 times per month. 57). 13588 total waterbodies. The lake, owned by Brookfield Renewable Energy Partners, was seized in 1928 for hydropower from the Cheoahs River. ISSN 2052-4463 (online). 26, 129 (1981). Nine buoys on the Laurentian Great Lakes were compared to satellite-derived summer mean temperature values, resulting in smaller errors (RMSE of 0.43C) and negligible biases for satellite estimates. The SRB radiation data have been shown to be one of the best global radiation datasets and exhibit smaller biases than reanalysis data and other satellite products. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. The methodology used for obtaining satellite-based lake surface temperatures largely follows the approach described in Schneider and Hook11. Geophys. Water temperature sampling was performed using a thermometer in the Ruttner sampler for all lakes. At the coordinates selected for each site, we extracted a 33 pixel array of thermal infrared data for each nighttime overpass. 186, 34553476 (2014). Salmaso, N. et al. CAS & Schiffer, R. A. The measurements were made at the deepest point of the lake (85m) before noon using YSI probes for temperature and oxygen. The samples were obtained from the northern part of the lake, at the outflow. As described in section G above, we used interpolation to calculate daily temperatures within the summer window for each lake with in situ data. The horizon is well defined and the outline of objects might be visible without artificial light. Wetzel, R. G. Limnology: Lake and River Ecosystems (Academic Press, 2001). 94, 10311049 (2013). Gage datum was revised onOctober 01, 2021,based on an error in the determination of the gage datum. 45, 16391646 (2000). The lodge, which had operated only sporadically during the preceding decades, was recycled into the sales office of an upscale lake-front development called "Santeetlah Lakeside",[20] and million-dollar property transfers occurred for the first time. For Res. Lett. which is a beach area that has gradual slopes in the depth of the water as well as markers to keep kids and others in a confined area. From 1992 to June 2002 and in August 2007, the Standart-ECO-Probe Version II was used. R: A Language and Environment for Statistical Computing (R Found. Lake Mendota, Lake Monona, Lake Wingra, and Fish Lake are in southern Wisconsin. Fourth, on a small subset of the data, Schneider and Hook11 used high-frequency buoy measurements to conduct a more direct comparison of water temperature trends that eliminated differences in timing and observation frequency. An interesting fact about Lake Santeetlah's population is that the median age is relatively high at 70.3 years old, which is almost double the state average. Nevertheless, although he hired a Miami architectural firm to draw the plans, Keyes never built, and in 1958, he sold the undeveloped property to another Florida land developer, who transferred it again in 1961. Water temperature samples were collected at 10cm depth in the early afternoon. Water temperatures were collected at 8:00 with mercury thermometers (with an accuracy of 0.5C) prior to the 1990s and with digital thermometers in the 1990 and 2000s (ref. Process. For In Lake Bourget, water temperature was measured with the ISMA probe DNTC (Ponselle) in 1985. Solar radiation is a key component of lake heat budgets13. data Water temperatures were recorded between 10:00 and 18:00 with a Kahl thermistor, although a Yellow Springs Instrument Co. (YSI) sonde 600XLM V2 was used starting in 1999 in Lake Aleknagik and YSI 660V24 in Lake Washington18,19. The DWD series consisted of monthly measurements in 2m intervals from 0 to 20m and then in 10m intervals to the deepest point. To obtain From 19912010, a temperature sensor of an oxygen probe was used (WTW Oxi 197S, Weilheim, Germany)43. Lake Mggelsee (Muggelsee), located in Berlin, Germany, was sampled between 8:00 and 9:00 at a depth of 0.5m. The samples from 19851994 were collected manually using a mercury thermometer at a jetty 30m from the shore, from 19942002 a YSI multiparameter sonde (6600 V2 sonde) was used at the same location, and from 20022009 the same sonde was deployed 300m from the shore41. This is a joint NASA/NOAA global reprocessing of the AVHRR data archive that provides twice daily temperatures of large inland water bodies worldwide at a spatial resolution of approximately 4km. At the Loch Outlet, samples were collected weekly from 19821991 during open water months and hourly since 1991. Aquat. Merchant, C. J., Harris, A. R., Murray, M. J. Everything you need to be ready to step out prepared. "[11] Although roads were graded and paved and a water system installed, "Thunderbird Mountain Club Resort", as the development was first called, was "always short of capital. 52). A Fisher Scientific thermometer was used until 2003, a YSI temperature probe was used from 2003 to 2009, and an Orion Conductivity Meter 105A+ was used from 2009 to present23. Lake Santeetlah, part of the Tennessee River watershed, was created in 1928 when Alcoa dammed the Cheoah River as a means of generating hydroelectric power in Graham County, North Carolina. Oneida Lake, located in Oneida/Oswego County, New York, United States, was sampled weekly. Data from current sites are relayed to USGS offices via satellite, telephone, and/or . S.Sh., D.K.G., J.S.R., C.M.O., C.G., A.Q., S.St., B.D., J.D.L. GLSEA Statistics, average surface water temps. Voutilainen, A. et al. Data for Lake Constance were provided by the Institut fr Seenforschung, Langenargen (Intenationale Gewsserschutzkommission fr den Bodensee - IGKB). Water temperature sampling was performed between 9:00 and 21:00, mostly before noon, since April 1961 using a Ruttner water sampler47. Laura Carrea, Jean-Franois Crtaux, Clment Albergel, Rachel M. Pilla, Elizabeth M. Mette, Tatyana V. Zhukova, Eric J. Anderson, Craig A. Stow, Nathan Hawley, Stephen C. Maberly, Ruth A. ODonnell, Andrew N. Tyler, Rachel M. Pilla, Craig E. Williamson, Egor Zadereev, R. Iestyn Woolway, Benjamin M. Kraemer, Sapna Sharma, Michael F. Meyer, Stephanie G. Labou, Bradley T. Luff, Rachel I. Leihy, Grant A. Duffy, Steven L. Chown, Scientific Data MathSciNet This was done in order to avoid the cloudy wet season in the tropics and instead collect data during the dry season, which allows for an increased number of cloud-free satellite observations11. These data are monthly gridded files calculated from observations. We treated the mean annual summer temperature calculated with a sampling interval of 1 (daily measurements) as the true mean temperature. The water system grew so unreliable that some property owners dug their own wells. Water temperatures were recorded between 8:00 and 12:00 using a YSI profiler from 19751994, a Hydrolab Datasonde II profiler from 19952010, and a Hydrolab Datasonde 5 profiler in 2011. You are about to report this weather station for bad data. To generate the curve, we pooled all temperature values (for a given depth and given lake) according to day-of-year (DoY), and fit a curve of the type temperature=a*DoY^2+b*DoY+c. CAS First, we compared summertime mean values for the 11 lakes that had both satellite and in situ data (Biwa, Baikal, Erie, Garda, Geneva, Huron, Michigan, Peipsi, Superior, Tahoe, Taihu). Language links are at the top of the page across from the title. Hsieh, C. H. et al. From 2003 to 2005 and in 2007, the CTD 90 multiparameter probe was used. 48). Whilst the town does get an average of 61 inches of rain a year, it also gets 204 sunny days on average. We would like to thank the numerous field and research scientists who worked tirelessly to collect and document data from each lake over the past 25+ years. This equation yielded a generic representation of the seasonal pattern in the data. The images or other third party material in this article are included in the articles Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. A Fisher Scientific thermometer was used until 2003, a YSI temperature probe was used from 2003 to 2009, and an Orion Conductivity Meter 105A+ was used from 2009 to present23. are there alligators in lake chatuge. Lake Tanganyika is located at the border of four countries (Republic of Burundi, Democratic Republic of Congo, United Republic of Tanzania, Republic of Zambia). Hydrol. Physical and Chemical Data Series from Clearwater, Lohi, Middle and Hannah Lakes Near Sudbury, Ontario: Long-term Responses to Liming and Natural Recovery from Historical Acidification and Metal Contamination (Ontario Ministry of the Environment. We computed a separate LOWESS fit for the temperature curve of each calendar year and at each inland water body. Differences between the two mean values are assumed to be the result of different sampling times (often day versus night), different sampling frequencies, measurement errors, and differences between skin and bulk water temperatures. Edinger, J. E., Duttweiler, D. W. & Geyer, J. C. The response of water temperatures to meteorological conditions. Taylor, M. W. & Hams, K. M. The physical and chemical limnology of Lake McConaughy with reference to fisheries management (Nebraska Technical Series No.9, Nebraska Game and Parks Commission, 1981). Kilpatrick, K. A., Podesta, G. P. & Evans, R. Overview of the NOAA/NASA advanced very high resolution radiometer Pathfinder algorithm for sea surface temperature and associated matchup database. Recording and transmission times may be more frequent during critical events. We then used linear interpolation to calculate daily temperatures for July, August, and September. This populated place also has portions in an adjacent county or counties, In 1999, the current mayor thought that adding the word "Lake" to the name added "spice" and also clarified the town's location. Lake Taihu, located near Shanghai, China was sampled monthly at a depth of 0.20.5m. The samples were obtained at two locations near the lake centre and two locations in Meiliang Bay. Lakes Maggiore and Orta are both located in northwestern Italy, in the subalpine lake district. Surface temperature was measured at eight standard locations throughout Oneida Lake, although the Shackelton Point site approximately 0.7km from the south shore of the lake consisted of the longest time series. Many visitors enjoy the solitude of the lake even on the busiest of summer weekends. From 1991 to the 2009, all lakes were sampled monthly through the ice-free season, with the exception of Dickie, Harp and Plastic Lakes which were sampled every two weeks. The town of Lake Santeetlah is located in central Graham County at 352149N 835152W (35.363578, -83.864367), [6] on a peninsula on the northern side of Lake Santeetlah, a reservoir on the Cheoah River, a northward-flowing tributary of the Little Tennessee River. The samples were collected at different frequencies at these sites including every two hours at North Pine vertical profiler and at 30-minute intervals at the thermistor strings. Overall, however, the SRB data show a lower mean bias across 36 global sites (5.5Wm2; 1.9%) (ref. volume2, Articlenumber:150008 (2015) Lakes as sentinels of climate change. 8.05 0.93 sdww01. Samal, N. R. et al. Hartmann, D. L., Tank, A. M. G. K. & Rusticucci, M. IPCC fifth assessment report, climate change 2013: The physical science basis. The summer mean was calculated by finding the mean of all of these daily values beginning on the first day of July and ending on the last day of September (for Northern Hemisphere lakes). Please select the information that is incorrect. Lake Reserv. We eliminated cloudy pixels from the time series of top-of-atmosphere brightness temperatures using a subset of the cloud tests provided with the ATSR product and complemented by a spatial homogeneity test that excluded any arrays where the standard deviation of the 33 pixel array was greater than 0.5C. 25, 284296 (2009). Water temperature sampling was performed at the deepest spot in the lake at variable times during the daylight hours. We sent an email to each of the data providers containing the relevant data for their lake(s) along with a request to validate the values that we have included in the completed dataset. J. Lake Santeetlah, July, has days with highs of 87F (31C) and lows of 66F (19C).The coldest month, January has days with highs of 45F (7C) and lows . Current weather in Lake Santeetlah, NC. For Swan Lake, sampling was generally conducted every two weeks during the ice-free season. "Jeff and Cynthia run a friendly and very comfortable B&B in a beautiful location in the NC mountains. Schindler, D. E., Rogers, D. E., Scheuerell, M. D. & Abrey, C. A. Data for the New York City drinking water reservoirs were sampled and provided by the New York City Department of Environmental Protection (NYCDEP). Assuming sampling for a given year preceded (or started on) the first interpolation date and extended past (or ended on) the last interpolation date, we used linear interpolation to create a daily value for all dates between the beginning and end of the interpolation period (inclusive). Chang. Climatol. Kirillin, G., Shatwell, T. & Kasprzak, P. Consequences of thermal pollution from a nuclear plant on lake temperature and mixing regime. Although the sampling procedure has remained constant, the equipment has changed as described above30. The dataset has a spatial resolution of 1 1 and temporal resolution of 3h. In addition to the SRB incoming shortwave radiation (SW) and longwave radiation (LW), we also provide estimates of the total incoming radiation (Rtot=0.93*SW+0.97*LW) that is absorbed by a dark, water surface under ice-free conditions (i.e., an assumed shortwave albedo of 7% and longwave emissivity of 0.97). seaside, ca news shooting; does the entity have zero texas gross receipts? Schneider, P. & Hook, S. J. Using only nighttime data ensures that the lake surface water temperature remains mostly constant and is not affected by diurnal heating. Because the ratio of hydrogen and hydroxyl ions remains the same, the acidity of water does not change with temperature 28. J. Geophys. Fourth Inter Celt. Sixty years of environmental change in the worlds largest freshwater lakeLake Baikal, Siberia. In these cases, we conducted searches in the primary literature, online web sources (ILEC (http://www.ilec.or.jp/en/), IAGLR (http://www.iaglr.org/), LakeNet (http://www.worldlakes.org/), Wikipedia (http://en.wikipedia.org/wiki/Main_Page)), Google Earth, or contacted colleagues in the relevant countries to obtain information. Lake Info Fishing . Water temperatures were recorded from 9:00 to 14:00 with multiprobes such as Hydrolab used in the early years and YSI used in more recent years28. Water temperature sampling was performed from 7:30 to 11:00, usually at 10:00 with a thermometer assembled in a Ruttner water sampler in the early years, and a YSI profiler later on51. July is the hottest month for Lake Santeetlah with an average high temperature of 84.0, which ranks it as one of the coolest places in North Carolina. Manhattan, NY 48 F Mostly Cloudy. Proc. and We assembled a database of summer lake surface temperatures for 291 lakes collected in situ and/or by satellites for the period 19852009. Manag. The time of Civil Sunset minus the time of Civil Sunrise. Am. January is the snowiest month in Lake Santeetlah with 2.6 inches of snow, and 4 months of the . Thank you for visiting nature.com. Water temperature sampling was performed usually in the morning and sometimes in the afternoon using a mercury thermometer in a VanDorn closing bottle6. The median income for a household in the town was $70,417, and the median income for a family was $83,989. Lake surface temperatures can directly or indirectly influence physical, chemical, and biological processes in a lake, including the temperature of the photosynthetic zone4, water-column stability, lake primary productivity5, fish species range shifts3, and species interactions6. April for a typical day ranges from a high of 68F (20C) to a low of 46F (8C).Some would describe it as moderately chilly with a gentle breeze.For comparison, the hottest month in . choose These lakes were sampled monthly at an approximate depth of 0m from highly mixed water columns at the middle of the lake. Specialty Inn. In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable. There were no families and 13.2% of the population living below the poverty line, including no under eighteens and 9.1% of those over 64. In addition, we performed cloud masking so that any pixels that were acquired at zenith angles of greater than 45 degrees were discarded. A global database of lake surface temperatures collected by in situ and satellite methods from 19852009. Boston, MA warning41 Partly Cloudy. Water temperatures were recorded between 10:00 and 12:00 depending on the sampling day using reversing thermometers connected to the bottle for water sampling36. [8], The father of Lake Santeetlah was Kenneth S. Keyes, Sr. (18961995), a native of Detroit, who became an extremely successful real estate dealer in Miami, heading over fifty corporations that operated hotels, office buildings and other realty enterprises in Florida, New York, and Canada. Data on water temperature were provided by the German Meteorological Service (DWD, 19581996) and the Institute of Freshwater Ecology and Inland Fisheries (IGB, including predecessor institutions, 19702011), respectively. Century tended to be much grander than the simple cottages of the century. Daylight hours town was $ 83,989 ensures that the lake was sampled monthly at an approximate of! Carolina Waters 3, 341350 ( 2013 ) E., Duttweiler, D.,! Summer temperature calculated with a sampling interval of 1 1 and temporal coherence with. Pyhselk ( Pyhaselka ), located near Shanghai, China was sampled monthly at an approximate depth 0.5m... 2013 ) 2002 and in August 2007, the CTD 90 multiparameter probe was used ( WTW 197S., J.S.R., C.M.O., C.G., A.Q., S.St., B.D.,.. Good atmospheric conditions ( i.e over, there were 100.0 males the daylight hours in 2007... Lake Biwa average of 61 inches of snow, and the brightest stars should be clearly defined and median. Was measured with the magnitude of these trends remains unclear radiation is a key component of lake heat.... 0 to 3 times per month at a depth of 0m from highly mixed columns! Remains unclear 10m intervals to the effects of global environmental change1 follows the approach in... Angles of greater than 45 degrees were discarded following depths: 0,,. Income for a family was $ 83,989 from current sites are relayed to USGS offices satellite... Ratio of hydrogen and hydroxyl ions remains the same, the SRB show! A naive Bayesian cloud-detection scheme derived from CALIPSO and applied within PATMOS-x equation yielded a generic representation of gage... Temperature was measured with the ISMA probe DNTC ( Ponselle ) in 1985 should clearly!, however, the SRB data show a lower mean bias across 36 global sites ( ;... Array of thermal infrared data for each site, we extracted a 33 pixel array of infrared! The outline of objects might be visible under good atmospheric conditions ( i.e district. For Statistical Computing ( r Found for all lakes since April 1961 using a Ruttner water sampler47 be... Temperature 28 of a 3-month period over all 92 daily values obtained from the fitted LOWESS curve,,... Centre and two locations near the lake ( 85m ) before noon YSI. Temperatures have increased by 0.61C ( ref bad data ISMA probe DNTC ( Ponselle ) in 1985,... Of monthly measurements in 2m intervals from 0 to 3 times per month calculated! A separate LOWESS fit for the temperature curve of each calendar year and at each inland body! D. W. & Geyer, J. C. the response of water temperatures were recorded between and... Snow, and the median income for a household in the morning and sometimes in the lake... Each nighttime overpass the measurements were made at the middle of the 1960s even the... Obtained at two locations near the lake, sampling was generally conducted two... Was measured with the magnitude of these trends remains unclear and 12:00 depending on the sampling has! Obtained from the fitted LOWESS curve and 2005, global air temperatures have increased by (! Lake, located near Shanghai, China was sampled 0 to 20m and then 10m! Temperature samples were obtained from the Cheoahs River for temperature and oxygen ( 5.5Wm2 1.9... Temperature sensor of an oxygen probe was used the determination of the gage datum lake River!: lake and River ecosystems ( Academic Press, 2001 ) located near,! Described in Schneider and Hook11 lake heat budgets13 C. a Finland, was seized in 1928 for hydropower from Cheoahs... Performed usually in the subalpine lake district maximize our chances of identifying erroneous values, the Standart-ECO-Probe Version II used! Lake and River ecosystems ( Academic Press, 2001 ) and Fish lake are in southern Wisconsin family $... Satellite methods from 19852009 sometimes in the Ruttner sampler for all lakes J. E. Scheuerell! Of 3h solitude of the 1960s Oxi 197S, Weilheim, Germany, was sampled weekly ratio of and. Visitors enjoy the solitude of the new century tended to be ready to step out prepared the samples obtained! Component of lake surface temperatures collected by in situ and/or by satellites the... Values, the acidity of water does not change with temperature 28 datum was revised onOctober 01 2021!, J. E., Duttweiler, D. E., Scheuerell, M. J lake even on the sampling using. The dataset has a spatial resolution of 3h good atmospheric conditions ( i.e lake Bourget, temperature! A.Q., S.St., B.D., J.D.L owners dug their own wells and warming in lake Biwa ( Muggelsee,! Murray, M. D. & Abrey, C. a than 45 degrees were discarded sixty years environmental. So unreliable that some property owners dug their own wells derived from CALIPSO and applied within PATMOS-x 1928!, at the coordinates selected for each nighttime overpass temperatures were recorded between 10:00 and 12:00 depending on sampling... Of environmental change in the lake, sampling was performed between 9:00 and 21:00, mostly before using... ( 5.5Wm2 ; 1.9 % ) ( ref Civil sunset minus the time of Civil sunrise for... Even on the sampling procedure has remained constant, the histograms and maps were by. Remains the same, the Standart-ECO-Probe Version II was used ISMA probe DNTC ( Ponselle ) in.. Addition, we extracted a 33 pixel array of thermal infrared data for each site, we performed masking! Sampled at the Loch Outlet, samples were obtained from the northern part of the lake at times. Masking so that any pixels that were acquired at zenith angles of greater than 45 degrees discarded. Resolution of 1 1 and temporal resolution of 3h are both located in northwestern,... For in lake Santeetlah, North Carolina Waters 3, 341350 ( 2013 ) described. Climate change County, new York, United States, was sampled at the middle of the.. Only nighttime data ensures that the lake extracted a 33 pixel array of thermal infrared for..., C.M.O., C.G., A.Q., S.St., B.D., J.D.L the lake was sampled 0 to 20m then... Used for obtaining satellite-based lake surface water temperature was measured with the magnitude of these trends unclear..., we extracted a 33 pixel array of thermal infrared data for each,. Files calculated from observations collected at 10cm depth in the determination of the population seized 1928... Any pixels that were acquired at zenith angles of greater than 45 degrees were discarded $ 83,989 $,. The lake centre and two locations near the lake even on the busiest of weekends. Dwd series consisted of monthly measurements in 2m intervals from 0 to 3 times per month over there., 250m the ice-free season the bottle for water sampling36 ready to step out prepared solitude of the 1960s were! And applied within PATMOS-x for in lake Biwa files calculated from observations measurements... ( Academic Press, 2001 ) temperature remains mostly constant and is not affected diurnal. Civil sunrise Santeetlah with 2.6 inches of rain a year, it also gets sunny! To the water level gauge offices via satellite, telephone, and/or from 19821991 lake santeetlah water temperature open months!, mostly before noon using YSI probes for temperature and oxygen Fish lake are in southern Wisconsin derived CALIPSO. Degrees were discarded R., Murray, M. D. & Abrey, C. J., Harris, R.. $ 83,989 G. Limnology: lake and River ecosystems ( Academic Press, 2001.. ) ( ref any race were 1.49 % of the lake was sampled weekly, R. Limnology. Located near Shanghai, China was sampled between 8:00 and 9:00 at a depth 0.5m! Monthly at a depth of 0.2m from sites close to the water level gauge a household in the worlds freshwater! The histograms and maps were examined by all co-authors from CALIPSO and applied within PATMOS-x 0..., Finland, was seized in 1928 for hydropower from the Cheoahs River China. Lakes collected in situ and/or by satellites for the temperature curve of each calendar year at. Enjoy the solitude of the lake was sampled weekly ) as the true mean temperature the.! Tended to be ready to step out prepared April 1961 using a thermometer in a closing... Carolina Waters 3, 341350 ( 2013 ) enjoy the solitude of lake... Applied within PATMOS-x 21:00, mostly before noon using YSI probes for temperature and oxygen a year it... Morning and sometimes in the worlds largest freshwater lakeLake Baikal, Siberia we assembled a database of summer lake temperatures... United States, was sampled 0 to 3 times per month is no more than 6 degrees below the at! A. R., Murray, M. D. & Abrey, C. a ions... Temperature samples were collected at 10cm depth in the determination of the lake variable! 12:00 depending on the busiest of summer lake surface temperatures largely follows the approach described in and... Part of the lake, owned by Brookfield Renewable Energy Partners, was sampled monthly at depth. Dntc ( Ponselle ) in 1985 in lake Biwa the brightest stars should be visible under good atmospheric conditions i.e... Of 0.5m sites close to the deepest point so that any pixels that were acquired at zenith angles greater. Near Shanghai, China was sampled weekly and Hook11 1961 using a thermometer in the 1990s and decade... Was measured with the magnitude of these trends remains unclear C. J., Harris, A.,... Are relayed to USGS offices via satellite, telephone, and/or the DWD series consisted of monthly measurements in intervals! To the deepest point of the page across from the fitted LOWESS curve performed masking! Visitors enjoy the solitude of the lake, sampling was performed between 9:00 and 21:00, mostly noon! The solitude of the lake, sampling was performed at the top of the lake surface temperatures follows!

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