Schirrmeister, Lutz; Herzschuh, Ulrike; Pestryakova, Luidmila A; Wetterich, Sebastian; Bobrov, Anatoly A; Frolova, Larisa A; Ushnitskaya, Lena A; Levina, Sardana N; Schneider, Andrea; Nigamatzyanova, Gulnara R (2022): Field data of a polygonal landscape near the WWF station Kytalyk at the Berelekh River in the Indigirka lowland (NE Siberia) during summer 2011 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946853, In: Schirrmeister, Lutz; Herzschuh, Ulrike; Pestryakova, Luidmila A; Wetterich, Sebastian; Bobrov, Anatoly A; Frolova, Larisa A; Ushnitskaya, Lena A; Levina, Sardana N; Schneider, Andrea; Nigamatzyanova, Gulnara R (2022): Freshwater communities and environmental data of a polygonal tundra landscape at the Berelekh River in the Indigirka lowland (NE Siberia) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.946887
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Abstract:
Patterned ground of the polygonal tundra yields sensitive indicators of environmental and climate change. Polygon ponds, mires and cryosoils are typical components of Arctic Siberian wetlands underlain by permafrost. Field studies of recent environmental dynamics were carried out in the Indigirka lowland in summer 2011 and 2012. Using a multidisciplinary approach, several stages of polygonal systems were studied as modern tundra habitats in the surrounding of the WWF station Kytalyk at the Berelekh River, a tributary of the Indigirka River. The floral and faunal associations of the polygonal tundra landscape were described. Ecological, hydrological, meteorological, limnological and cryological features were analyzed in order to evaluate modern environmental conditions and their essential controlling parameters. A monitoring program was carried out to measure changes of air, water and ground temperatures as well as water conductivity, water level and soil moisture and to collect water, diatom, zooplankton, zoobenthos, tecamoebae, phytoplankton and ostracod samples. These data sets contain environmental field data, logger data, various ecological data, and analyses of sediments and water.
This dataset comprises field data observations and measurements of air and water- temperature, morphological and chemical polygonal lake characteristics and sedimentology, near the WWF station Kytalyk at the Berelekh River.
Keyword(s):
Project(s):
Permafrost Research (AWI_Perma)
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 164232461: Polygons in tundra wetlands: state and dynamics under climate variability in Polar Regions
Coverage:
Median Latitude: 70.831062 * Median Longitude: 147.476615 * South-bound Latitude: 70.812460 * West-bound Longitude: 147.409390 * North-bound Latitude: 70.861520 * East-bound Longitude: 147.524260
Date/Time Start: 2011-07-19T00:00:00 * Date/Time End: 2011-08-25T00:00:00
Minimum Elevation: 7.0 m * Maximum Elevation: 7.0 m
Event(s):
AWI_KYT-1 * Latitude: 70.831210 * Longitude: 147.482990 * Date/Time Start: 2011-07-19T00:00:00 * Date/Time End: 2011-08-25T00:00:00 * Elevation: 7.0 m * Location: Kytalyk * Campaign: RU-Land_2011_Kytalyk (Kytalyk2011) * Basis: AWI Arctic Land Expedition * Method/Device: Sampling lake (LAKE)
AWI_KYT-2 * Latitude: 70.832910 * Longitude: 147.478390 * Date/Time: 2011-07-21T00:00:00 * Elevation: 7.0 m * Location: Kytalyk * Campaign: RU-Land_2011_Kytalyk (Kytalyk2011) * Basis: AWI Arctic Land Expedition * Method/Device: Sampling lake (LAKE)
AWI_KYT-3 * Latitude: 70.843060 * Longitude: 147.488950 * Date/Time: 2011-07-23T00:00:00 * Elevation: 7.0 m * Location: Kytalyk * Campaign: RU-Land_2011_Kytalyk (Kytalyk2011) * Basis: AWI Arctic Land Expedition * Method/Device: Sampling lake (LAKE)
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
733 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Sample label | 5 Sampling date | 6 Terrain (Field observation) | 7 Poly type (Field observation) | 8 Substrate (Field observation) | 9 Plant com (Field observation) | 10 TTT [°C] (Digital thermometer) | 11 Temp [°C] (Digital thermometer) | 12 Depth water [m] (Folding ruler) | 13 Thaw depth [cm] (At polygon center) | 14 Lake l [m] (Tape measure) | 15 Lake w [m] (Tape measure) | 16 Lake area [m2] | 17 pH (Handheld meter, WTW, 340i, Se...) | 18 Cond electr [µS/cm] (reference temperature: 25°C, ...) | 19 [NH4]+ [mg/l] (Spectrophotometer, Hach Lange...) | 20 [NO3]- [mg/l] (Spectrophotometer, Hach Lange...) | 21 DO [mg/l] (Titrimetric test kit, VISOCOL...) | 22 AT [µmol/l] (Titrimetric test kit, VISOCOL...) | 23 Acidity [mmol/l] (Titrimetric test kit, VISOCOL...) | 24 Hardness of water [mmol/l] (Titrimetric test kit, VISOCOL...) | 25 Depth water [m] (Sample depth for hydrochemist...) | 26 Depth sed [m] (Sample depth for sedimentolog...) | 27 Core |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (1) | 2011-07-19T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | Betula nana L., Carex aquatilis ssp. stans Wahlenb., Deschampsia sp., Eriophorum angustifolium Honck., Eriophorum vaginatum L., Ledum palustre L., Potentilla palustris L., Salix sp., Vaccinium vitis-idaea L., vitis-idaea L., Caltha palustris L., Carex chordorrhiza Ehrh. ex. L. f., Hierochloe sp., Luzula sp., Pyrola rotundifolia L. | 17.2 | 19.00 | 0.210 | 40.0 | 30.0 | 50.0 | 1500.0 | 6.2 | 23 | 0.039 | 0.278 | 8.4 | 400 | 0.4 | 0.2685 | 0.10 | 0.20 | no core |
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (2) | 2011-07-24T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 15.4 | 17.80 | 0.280 | 45.0 | 30.0 | 50.0 | 1500.0 | 5.9 | 17 | 0.039 | 0.278 | 8.4 | 400 | 0.4 | 0.2685 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (3) | 2011-07-28T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 19.2 | 17.90 | 0.350 | 50.0 | 30.0 | 50.0 | 1500.0 | 6.4 | 21 | 0.039 | 0.278 | 6.0 | 400 | 0.4 | 0.4475 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (4) | 2011-08-01T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 13.2 | 17.60 | 0.400 | 48.0 | 30.0 | 50.0 | 1500.0 | 5.6 | 21 | 0.078 | 0.458 | 8.4 | 400 | 0.4 | 0.0895 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (5) | 2011-08-05T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 18.2 | 13.50 | 0.375 | 47.5 | 30.0 | 50.0 | 1500.0 | 6.3 | 18 | 0.003 | 0.393 | 7.2 | 400 | 0.4 | 0.6265 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (6) | 2011-08-09T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 7.0 | 8.99 | 0.320 | 55.0 | 30.0 | 50.0 | 1500.0 | 7.6 | 26 | 0.019 | 0.454 | 9.8 | 400 | 0.4 | 0.6265 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (7) | 2011-08-13T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 8.5 | 8.70 | 0.330 | 55.0 | 30.0 | 50.0 | 1500.0 | 6.1 | 18 | 0.010 | 0.401 | 9.8 | 400 | 0.4 | 0.7160 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (8) | 2011-08-17T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 4.5 | 8.00 | 0.310 | 58.0 | 30.0 | 50.0 | 1500.0 | 6.5 | 21 | 0.004 | 0.492 | 10.0 | 400 | 0.4 | 0.7160 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (9) | 2011-08-21T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 5.5 | 7.30 | 0.390 | 52.0 | 30.0 | 50.0 | 1500.0 | 6.2 | 21 | 0.028 | 0.383 | 10.8 | 400 | 0.4 | 0.8055 | 0.15 | |||
| AWI_KYT-1 | 70.83121 | 147.48299 | KYT-1- pond (10) | 2011-08-25T00:00:00 | upper alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | 8.4 | 7.20 | 0.360 | 55.0 | 30.0 | 50.0 | 1500.0 | 6.0 | 21 | 0.048 | 0.403 | 8.0 | 400 | 0.4 | 0.6265 | 0.15 | |||
| AWI_KYT-2 | 70.83291 | 147.47839 | KYT-2 | 2011-07-21T00:00:00 | upper alas | Polygonal pond | Brown loose plant material, medium decomposed | Caltha palustre, Sphganum, Salix, Betula nana, Carex aquatilis ssp. stans, Carex sp., Ledum palustre, Potentilla palustris, Andromeda polifolia, Polygonum viviparum | 25.0 | 19.50 | 0.700 | 35.0 | 20.5 | 12.7 | 260.4 | 5.6 | 53 | 0.003 | 0.402 | 7.0 | 800 | 0.4 | 0.2685 | 0.20 | 0.50 | x |
| AWI_KYT-3 | 70.84306 | 147.48895 | KYT-3 | 2011-07-23T00:00:00 | lower alas | Polygonal pond | Brown loose plant material, medium decomposed | Carex aquatilis ssp. stans, Eriphorum angustifolium, Sphagnum, Betula nana | 12.6 | 14.80 | 0.500 | 40.0 | 20.9 | 339.6 | 5.5 | 23 | 0.024 | 0.188 | 10.0 | 300 | 0.4 | 0.4475 | 0.20 | 0.50 | x (2 cores) | |
| AWI_KYT-4 | 70.84312 | 147.48555 | KYT-4 | 2011-07-23T00:00:00 | lower alas | Intrapolygonal pond | Brown loose plant material, medium decomposed | Carex aquatilis ssp. stans, Eriphorum angustifolium, Sphagnum, Betula nana, Salix sp. | 11.8 | 16.10 | 0.320 | 40.0 | 20.8 | 339.6 | 5.6 | 20 | 0.045 | 0.245 | 8.2 | 200 | 0.4 | 0.5370 | 0.20 | 0.30 | x | |
| AWI_KYT-5 | 70.82958 | 147.48596 | KYT-5 | 2011-08-03T00:00:00 | upper alas | Intrapolygonal pond | Medium decomposed plant material | Betula nana, Carex aquatilis ssp. stans, Rumex arcticus, Potentilla palustris, Ledum palustre, Sparganium hyperboreum im Wasser | 7.5 | 8.60 | 1.200 | 85.0 | 20.4 | 16.5 | 336.6 | 6.4 | 25 | 0.048 | 0.523 | 8.2 | 400 | 0.4 | 0.5370 | 0.20 | 0.80 | x (2 cores) |
| AWI_KYT-6 | 70.82832 | 147.44064 | KYT-6 | 2011-07-27T00:00:00 | upper alas | Intrapolygonal pond | Medium decomposed fibrous peat | Eriophorum angustifolium, Betula nana, Salix sp., Saxifrage hirculus, Utricularia klein, Polygonum viviparum, Lychnis, Rumex arcticus, Carex aquatilis ssp. stans | 18.0 | 23.50 | 0.150 | 35.0 | 18.0 | 254.3 | 6.4 | 153 | 0.041 | 0.118 | 7.6 | 1600 | 0.4 | 0.7518 | 0.15 | 0.15 | x | |
| AWI_KYT-7 | 70.86152 | 147.49527 | KYT-7 | 2011-07-28T00:00:00 | lower alas | Intrapolygonal pond | Weakly decomposed plant detritus | Sphagnum, Salix, Betula nana, Ledum palustre, Eriophorum vaginatum, Vaccinium vitis-idea | 19.1 | 21.90 | 0.290 | 40.0 | 12.8 | 8.9 | 113.9 | 6.8 | 21 | 0.028 | 0.730 | 6.6 | 200 | 0.4 | 0.5370 | 0.10 | 0.29 | x |
| AWI_KYT-8 | 70.83157 | 147.48248 | KYT-8 | 2011-08-03T00:00:00 | upper alas | Intrapolygonal pond | Slightly decomposed plant remains, branches and leafs from Betula nana visible | Betula nana, Ledum palustre, Vaccinium vitis-idea, Eriophorum angustifolium und Carex in evtl. angrenzenden ehemaligen Polygonzentren | 7.3 | 8.50 | 0.470 | 30.0 | 15.0 | 7.0 | 105.0 | 6.7 | 34 | 0.042 | 0.518 | 8.4 | 400 | 0.4 | 0.6265 | 0.15 | 0.47 | x (2 cores) |
| AWI_KYT-9 | 70.82761 | 147.46181 | KYT-9 | 2011-08-04T00:00:00 | Yedoma hill | Small rivulet | Slightly decomposed plant remains | Eriophorum angustifolium, Sphagnum, Betula nana, Salix cf. myrtoloides, Carex aquatilis ssp. stans | 18.0 | 8.90 | 0.220 | 40.0 | 5.9 | 27.3 | 6.2 | 28 | 0.030 | 0.792 | 6.4 | 400 | 0.4 | 0.4475 | 0.15 | 0.22 | no core | |
| AWI_KYT-10 | 70.83604 | 147.44827 | KYT-10 | 2011-08-04T00:00:00 | Yedoma hill | Small rivulet | Slightly decomposed plant remains, branches and leafs from Betula nana visible | Betula nana, Salix cf. myrtoloides, Eriophorum angustifolium, Poa sp., Moos (kein Sphagnum) | 16.5 | 11.80 | 0.170 | 45.0 | 10.0 | 1.5 | 15.0 | 6.2 | 36 | 0.023 | 0.776 | 5.4 | 400 | 0.6 | 0.4475 | 0.15 | 0.17 | no core |
| AWI_KYT-11 | 70.83910 | 147.44356 | KYT-11 | 2011-08-04T00:00:00 | upper alas | Intrapolygonal pond | Slightly decomposed plant material | Carex aqutilis ssp. stans, Betula nana, Salix cf. myrtoloides, Andromeda polifolia, Ledum palustre | 18.5 | 13.40 | 0.250 | 42.0 | 10.0 | 25.0 | 250.0 | 6.3 | 42 | 0.029 | 0.563 | 8.6 | 400 | 0.6 | 0.7160 | 0.10 | 0.30 | no core |
| AWI_KYT-12 | 70.84752 | 147.42291 | KYT-12 | 2011-08-06T00:00:00 | upper alas | Thermokarst lake | Slightly decomposed plant remains, branches and leafs from Betula nana visible | Sphagnum, Potentilla palustris, Carex ssp. stans, Eriophorum angustifolium, Salix sp., Pseudoschilf | 16.7 | 13.90 | 0.400 | 37.0 | 7.0 | 10.0 | 70.0 | 6.4 | 20 | 0.006 | 0.303 | 8.8 | 400 | 0.4 | 0.5370 | 0.10 | 0.40 | x (Viktor) |
| AWI_KYT-13 | 70.84760 | 147.40939 | KYT-13 | 2011-08-06T00:00:00 | upper alas | Small rivulet | Slightly decomposed plant remains, branches and leafs from Betula nana visible | Eriophprum angustifolium und E. vaginatum, Ledum palustre, Betula nana | 16.2 | 13.90 | 0.450 | 40.0 | 7.0 | 25.0 | 175.0 | 6.3 | 23 | 0.005 | 0.341 | 6.2 | 400 | 0.4 | 0.5370 | 0.15 | 0.45 | x (Viktor) |
| AWI_KYT-14 | 70.83120 | 147.47955 | KYT-14 | 2011-08-12T00:00:00 | upper alas | Intrapolygonal pond | Fine brown plant detritus | Wasser: Utricularia (nicht vulgaris), Carex aquatilis ssp. stans, Eriophorum angustifolium, Wall: Rubus chamaemorus, Ledum palustre, Eriophorum vaginatum, Salix cf. myrtoloides, Betula nana, Fingerflechte, Rentierflechte, Sphagnum, Vaccinium vitis-idea, Kl. Deschampsia | 6.7 | 7.20 | 0.650 | 20.0 | 24.6 | 18.6 | 457.6 | 5.8 | 28 | 0.128 | 0.621 | 7.2 | 400 | 0.4 | 0.9845 | 0.10 | 0.75 | no core |
| AWI_KYT-15 | 70.83173 | 147.47595 | KYT-15 | 2011-08-12T00:00:00 | upper alas | Intrapolygonal pond | Fine brown plant detritus | Wasser: Utricularia (nicht vulgaris), Carex aquatilis ssp. stans (tiefer), Carex chorrdorhizza und C. rotundata (flacher), kollabierender Wall: Andromeda polifolia, Carex aquatilis ssp. Stans, Salix sp., Carex chorrdorhizza, Betula nana, Sphganum, Vaccinium vitis-idea, Polygonum viviparum, Sphagnum squarrosum (selten), Pedicularis cf. lapponicus | 6.4 | 9.00 | 0.200 | 42.0 | 7.7 | 8.2 | 63.1 | 5.8 | 31 | 0.003 | 0.681 | 9.6 | 400 | 0.4 | 0.5370 | 0.10 | 0.20 | no core |
| AWI_KYT-16 | 70.84522 | 147.47943 | KYT-16 | 2011-08-13T00:00:00 | lower alas | Intrapolygonal pond | Fine brown plant detritus | Carex aquatilis ssp. stans, Carex chordorrhizza, Potentilla palustris, Salix sp., Pedicularis groß, Sphagnum, Eriophorum angustifolium, Ledum palustre, Vaccinium vitis-idea, Caltha palustris, Kl. Deschampsia, Rentierflechte | 8.2 | 9.00 | 0.350 | 50.0 | 14.0 | 19.0 | 266.0 | 6.2 | 22 | 0.019 | 0.710 | 8.6 | 600 | 0.4 | 0.8950 | 0.10 | 0.35 | x (Viktor) |
| AWI_KYT-17 | 70.84276 | 147.47131 | KYT-17 | 2011-08-13T00:00:00 | lower alas | Intrapolygonal pond | Fine brown plant detritus | Carex aquatilis ssp. stans, Eriophorum angustifolium, Andromeda polifolia, Salix sp., Betula nana, Potentilla palustris, Carex chordorrhizza, Polygonum viviparum, Pedicularis groß, Ranunculus pallasii | 7.8 | 10.60 | 0.300 | 53.0 | 8.0 | 6.5 | 52.0 | 6.4 | 31 | 0.004 | 0.170 | 10.0 | 400 | 0.4 | 0.8950 | 0.10 | 0.30 | x (Viktor) |
| AWI_KYT-18 | 70.81393 | 147.47542 | KYT-18 | 2011-08-15T00:00:00 | flood plain | Interpolygonal pond | Coarse brown plant detritus, plant and wood fragments visible, leafs from Salix | Salix sp., Potentilla palustris, Carex aquatilis ssp. stans, Caltha palustris, Sphagnum squarrosum, Valeriana capitata, Pedicularis rotundata, + 3 Sachen (Pfeifenreiniger, Ranunculus + anderes) | 9.9 | 8.10 | 0.550 | 20.0 | 15.0 | 7.0 | 105.0 | 6.3 | 29 | 0.002 | 0.358 | 10.0 | 400 | 0.4 | 0.8055 | 0.15 | 0.55 | no core |
| AWI_KYT-19 | 70.81246 | 147.48856 | KYT-19 | 2011-08-15T00:00:00 | flood plain | Small thermokarst lake | Coarse brown plant material, plant and wood fragments visible | Caltha palustris, Carex aquatilis ssp. stans, Sphagnum squarrosum, Potentilla palustris, Ranunculus pallasii, Rumex articus, Petasites frigidus, Sparganium hyperboreum | 11.8 | 10.60 | 0.730 | 50.0 | 50.0 | 1962.5 | 6.6 | 61 | 0.003 | 0.220 | 11.6 | 800 | 0.4 | 1.3425 | 0.15 | 0.70 | no core | |
| AWI_KYT-20 | 70.81631 | 147.47833 | KYT-20 | 2011-08-16T00:00:00 | flood plain | Interpolygonal pond | Coarse brown plant material one side of the pond, fine brown and black plant detritus, plant and wood fragments, leafed branches from Salix | Potentilla palustris, Sphagnum, Salix sp., Carex aquatilis ssp. stans, Pfeifenreiniger, Utricularia vulgaris, Spahgnum squarrosum | 11.5 | 8.10 | 0.550 | 45.0 | 10.0 | 4.0 | 40.0 | 6.2 | 22 | 0.003 | 0.518 | 9.4 | 400 | 0.4 | 0.7160 | 0.15 | 0.55 | no core |
| AWI_KYT-21 | 70.81596 | 147.47942 | KYT-21 | 2011-08-16T00:00:00 | flood plain | Interpolygonal pond | Coarse brown plant material one side of the pond, fine brown and black plant detritus, plant and wood fragments, leafed branches from Salix | Potentilla palustris, Salix sp., Carex aquatilis ssp. stans, Pfeifenreiniger, Utricularia vulgaris, Sphagnum squarrosum | 12.1 | 10.20 | 0.500 | 35.0 | 7.0 | 5.5 | 38.5 | 6.3 | 19 | 0.034 | 0.428 | 8.6 | 400 | 0.4 | 0.6265 | 0.10 | 0.50 | no core |
| AWI_KYT-22 | 70.81786 | 147.47485 | KYT-22 | 2011-08-18T00:00:00 | flood plain | Interpolygonal pond | Medium decomposed brown plant material, leafes from Salix | Potentilla palustris, Salix sp., Carex aquatilis ssp. stans, Pfeifenreiniger, Utricularia vulgaris, Sphagnum squarrosum, Sphagnum kleines zartes, Caltha palustris, Polytrichum | 13.6 | 10.00 | 0.500 | 25.0 | 9.3 | 7.7 | 71.6 | 6.5 | 29 | 0.033 | 0.170 | 8.8 | 400 | 0.4 | 0.7160 | 0.10 | 0.50 | no core |
| AWI_KYT-23 | 70.81617 | 147.47600 | KYT-23 | 2011-08-18T00:00:00 | flood plain | Intrapolygonal pond | Medium decomposed dark brown plant material, leafes from Salix, coarse undecomposed plant fragments | Potentilla palustris, Sparganium, Carex aquatilis ssp. stans, Pfeifenreiniger, Utricularia vulgaris, Sphagnum squarrosum, Sphagnum kleines zartes, Sphagnum rot, Sphagnum orange | 12.4 | 10.00 | 0.500 | 35.0 | 10.3 | 8.5 | 87.5 | 6.7 | 35 | 0.023 | 0.203 | 9.4 | 400 | 0.4 | 0.7160 | 0.10 | 0.50 | no core |
| AWI_KYT-24 | 70.81973 | 147.48322 | KYT-24 | 2011-08-20T00:00:00 | flood plain | Non-polygonal pond | Black coloured dark brown plant detritus, fine decomposed, coarse slightly decomposed plant material | Carex aquatilis ssp. stans, Pfeifenreiniger, Utricularia vulgaris, Sphagnum squarrosum, Caltha palustris, Ranunculus pallasii, Petasites frigidus, Salix sp., Pseudoschilf | 7.1 | 10.60 | 0.630 | 35.0 | 20.0 | 35.0 | 700.0 | 6.6 | 44 | 0.012 | 0.181 | 9.2 | 800 | 0.4 | 0.8950 | 0.10 | 0.40 | no core |
| AWI_KYT-25 | 70.82465 | 147.52426 | KYT-25 | 2011-08-22T00:00:00 | flood plain | Intrapolygonal pond | Fine brown plant detritus, little amount of silty material, undecomposed Salix leafs | Utricularia klein, Salix sp., Caltha palustris, Sphagnum, Carex aquatilis ssp. stans, Sparganium, Rumex arcticus, Ranunculus cf. hyperboreus, Ranunculus triparitus | 5.2 | 6.00 | 0.730 | 30.0 | 10.0 | 12.0 | 120.0 | 7.0 | 37 | 0.027 | 0.042 | 11.8 | 600 | 0.4 | 1.1635 | 0.10 | 0.50 | no core |
| AWI_KYT-26 | 70.82375 | 147.52097 | KYT-26 | 2011-08-22T00:00:00 | flood plain | Intrapolygonal pond | Fine brown plant detritus, little amount of silty material, partly fibrous | Utricularia groß, Salix sp., Sphagnum, Carex aquatilis ssp. stans, Caltha palustris | 5.0 | 5.50 | 0.730 | 30.0 | 10.0 | 16.0 | 160.0 | 7.1 | 28 | 0.022 | 0.264 | 10.0 | 1000 | 0.4 | 1.1635 | 0.10 | 0.50 | no core |
| AWI_KYT-27 | 70.82645 | 147.47778 | KYT-27 | 2011-08-24T00:00:00 | Yedoma hill | Initial thermokarst pond | Fine brown plant detritus, slightly decomposed Carex leafs and branches | Sphagnum, Sphagnum H2O, Carex aquatilis ssp. stans, am Rand: Ledum palustre, Salix sp., Rubus chamaemorus, Vaccinium vitis-idea, Rentierflechte, Eriophorum vaginatum, Betula nana, Pedicularis lapponicus | 5.8 | 7.80 | 0.420 | 33.0 | 6.5 | 4.5 | 29.2 | 6.3 | 20 | 0.025 | 0.524 | 10.0 | 400 | 0.4 | 0.6265 | 0.10 | 0.40 | no core |