Active Layer Thickness site «Tuymada» (at site «Yakutsk», Russia) active

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General Setup

Type Grid Grid icon
No. of Grid Nodes (X) 30
No. of Grid Nodes (Y) 50
Total No. of Nodes 1500
Node Spacing (Offset) 5 m

Description

SAMPLING DESIGN AND METHOD: 30x50 grid consists of a square array of thaw tubes ... [more]

Photo(s)

Photo R42 Tuymada for ALT site Tuymada

Environmental Setting

Permafrost Zone Continuous
Vegetation Type Other
Vegetation Meadow (mixtoherboso-graminosum)
Hydrology
Landform Second terrace of Lena river, top of gentle ridge
Lithology Fluvial
Morphology Loamy sand, sand
Description General description of soil moisture : dry
Slope 0°
Aspect 0°

Accessibility

Type
Distance From Road m

Disturbance(s)

Disturbance
Distance m
Disturbance (Other)
Distance m

Contact(s)

Responsible Person
Pavel Konstantinov ORCID
M.S. (Geography), Yakutsk State University, 1981 Ph.D. (Geography), Permafrost Institute, 1993
Melnikov Permafrost Institute of the Siberian Branch of the RAS (MPI SB RAS)
Russia

Location

Elevation: 108.7 m.a.s.l.
Latitude, Longitude: 62.01331°, 129.65699°

How to cite this ALT site

Pavel Konstantinov, Sergey Serikov : Active Layer Thickness (ALT) at «Tuymada» (Russia). CALM Code: R42, GTN-P PID: alt/99.
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Entry created: 2024-08-26 10:02, Entry last modified: 2026-06-25 12:58 – Time Zone: UTC/GMT +10:00
Method Medium Unit Accuracy Frequency Data Type Quality Start End Link Download
Active Layer Thickness (grid/transect)
Mechanical Probing Soil cm 0.1 cm Annually Sporadic Controlled 2008-09-30 2025-09-30viewCSV NetCDF
See the diagram for this dataset

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Statistics & additional information

Description
Min. Value180 cm
Max. Value227 cm
Avg. Value203.35 cm
No. of Data Points1,386
No. of NULL Values0
No. of Nodes1500
Points in Time18
Avg. Data Points per Time Step77 (5.1 %)
Node Offset X, Range (min – max)0 – 30
Node Offset X, Count (No. of Nodes X)7x
Node Spacing X5 m
Node Offset Y, Range (min – max)0 – 50
Node Offset Y, Count (No. of Nodes Y)11x
Node Spacing Y5 m
Entry created: 2024-08-26 10:04, Entry last modified: 2026-06-25 12:58