Identifying slope processes over time and their imprint in soils of medium-high mountains of Central Europe (the Karkonosze Mountains, Poland)
PBN-AR
Instytucja
Wydział Nauk o Ziemi i Kształtowania Środowiska (Uniwersytet Wrocławski)
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
EARTH SURFACE PROCESSES AND LANDFORMS (35pkt w roku publikacji)
ISSN
0197-9337
EISSN
1096-9837
Wydawca
WILEY-BLACKWELL
DOI
URL
Rok publikacji
2018
Numer zeszytu
3
Strony od-do
1195-1212
Numer tomu
43
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Pozostali autorzy
+ 7
Autorzy przekładu
(liczba autorów przekładu: 0)
Słowa kluczowe
angielski
soil polygenesis;
meteoric10Be;
Pleistocene;
landscape evolution;
Holocene changes.
Streszczenia
Język
angielski
Treść
Soils in mountainous areas are often polygenetic, developed in slope covers that relate to glacial and periglacial ac- tivities of the Pleistocene and Holocene and reflect climatic variations. Landscape development during the Holocene may have been influenced by erosion/solifluction that often started after the Holocene climatic optimum. To trace back soil evolution and its timing, we applied a multi-methodological approach. This approach helped us to outline scenario of soil transformation. According to our results, some aeolian input must have occurred in the late Pleistocene. During that time and the early Holocene, the soils most likely had features of Cryosols or Leptosols. Physico-chemical and mineralogical analyses have indicated that the material was denudated (between late Boreal to the Atlantic) from the ridge and upper-slope positions forming a colluvium at mid-slope positions. Later, dur- ing the Sub-Boreal, mass wasting of the remains of silt material deposited at the end of the Pleistocene age on the ridge top seems to have occurred. In addition, the cool and moist conditions caused the deposition of a colluvium at the lower-slope positions. The next phase was characterized by the transformation of Leptosols/Cambisols into Podzols at upper-slope or shoulder positions and to Albic Cambisols at mid-slope positions. During the Sub-Boreal period, Stagnosols started to form at the lower part of the slope catena. Overall, the highest erosion rates were calculated at the upper-slope position and the lowest rates at mid-slope sites. Berylium-10 ( 10 Be) data showed that the Bs, BC/C were covered during the Holocene by a colluvium with a different geological composition which complicated the calculation of erosion or accumulation rates. The interpretation of erosion and accumulation rates in such multi-layered materials may, therefore, be hampered. However, the multi-methodological reconstruction we applied shed light on the soil and landscape evolution of the eastern Karkonosze Mountains.
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System-identifier
PX-5afd5eb2d5de3bcc8b83affa
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