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Platform data

Overview

Detailed view

Monthly time series of measured concentrations of Al, Cu, Fe, Mn, Zn, C, N, S, P, K, Na, Mg, Ca in litterfall at NUMEX San Francisco between 2007 and 2013. Litterfall was collected on all 20 plots at NUMEX on 6 subplots per plot (A-F) with polyethylene mesh traps (0.6 x 0.6 m). On each plot, two of the six litterfall traps were randomly sampled monthly. The samples were dried at 40 °C for one week and stored at the ECSF until transport to Germany or Switzerland for chemical analyses. The two collected replicates were bulked per plot and collecting interval resulting in one litterfall sample per plot and month. Samples were ground to <50 µm with a planetary ball mill (Retsch PM200, Haan, Germany) prior to elemental analysis of C, N, and S by thermal combustion (Elementar Analysensysteme, Hanau, Germany) and acid microwave digestion with concentrated HNO3. Element concentrations in the digested samples were measured by AAS, ICP-OES or ICP-MS.

Weekly time series of precipitation data from the ECSF area at the measuring station FN2 located at the intersection of Camino Canal and Camino Zig-Zag. Precipitation was measured with 5 Hellmann-type pluviometers. The resulting weekly replicates of precipitation were volume-weighted and bulked to one sample per collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Weekly time series of precipitation data from the San Francisco area at 2000 m a.s.l. at the measuring station FN3 located at the climate station on T2. Precipitation was measured with 5 Hellmann-type pluviometers. The resulting weekly replicates of precipitation were volume-weighted and bulked to one sample per collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Aggregated values from 2000 are incomplete (May to December).

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, K, Na, Mg, Ca and Total organic C in precipitation in the ECSF area at the FN2 site (Camino Canal / Zig-Zag). The weekly time series extends between April 1998 and May 2013. Precipitation was sampled with 5 Hellmann-type collectors. Replicates were collected, volume-weighted and bulked to one sample per plot. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

This dataset extends dataset ECSF Climate station best estimate Ver. 2 (id: 1415)
Basis of extension is the raw data of ECSF Thies Station. Various gaps are filled with stations nearby: ECSF Campbell Station, ECSF Pluvio, Campbell Tower Scintillometer Station, Campbell Tower ECOv station and Thies pasture station. The known drift in the Thies temperature sensor is corrected with regression methods based on the ECSF Campbell station temperature.

Caution! Humidity seems to be too high, further checks necessary.

Rainfall data from the ECSF area in hourly resolution at the FN2 site located at the intersection of Camino Canal and Camino Zig-Zag. Rainfall was measured with an automatic rain gauge (Campbell ARG100, Palo Alto, USA) coupled with a HOBO H07-002-04 datalogger (Onset, Bourne, USA). Event-based recordings were aggregated to hourly data. Rain events occuring during one hour interval were aggregated to the next full hour. Data values are complete unless otherwise indicated by the data gaps below:

Data gaps during the observation period:
03/05/2012 19:02:20.5 to 17/05/2012 15:28:52.0	
20/12/2013 10:36:58.5 to 08/01/2014 15:51:25.0
28/07/2014 15:57:55.0 to 01/09/2014 17:14:27.0
06/10/2014 14:48:25.0 to 15/10/2014 18:09:26.0

Data gaps during the observation period are indicated by values = NULL. Please take these data gaps into account when aggregating precipitation values.

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, K, Na, Mg, Ca and Total organic C in precipitation in the ECSF area at the FN3 site on T2 near the ECSF meteorological station. The weekly time series extends between May 2000 and May 2013. Precipitation was sampled with 5 Hellmann-type collectors. Replicates were collected, volume-weighted and bulked to one sample per plot. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

Weekly time series of throughfall data from the ECSF area in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). Throughfall was measured weekly with 20 Hellmann-type pluviometers at each transect. The weekly replicates were volume-weighted and bulked to one sample per collecting interval and transect. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Weekly time series of measured electrical conductivity and pH values in litter leachate in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The time series extends between MArch 1998 and December 2016. Litter leachate was sampled on the three transects with zero-tension lysimeters below the organic layer. On each transect 3 replicates at upper, middle and lower slope positions were collected, volume-weighted and bulked to one sample per plot and collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory of the ECSF.

Volumetric water content was measured every 30 minutes with FDR sensors at Plot 13 of NUMEX San Francisco in the organic layer and in 10 cm, 20 cm, 30 cm and 40 cm mineral soil depth. Data was recorded with a dataloger and aggregated to hourly values. Missing data are indicated by "NULL".

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in litter leachate in the ECSF area in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The weekly time series extends between March 1998 and May 2013. Litter leachate was sampled on the three transects with zero-tension lysimeters below the organic layer. On each transect 3 replicates at upper, middle and lower slope positions were collected, volume-weighted and bulked to one sample per plot and collecting interval. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

Weekly time series of water fluxes, electrical conductivity, pH values and measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, K, Na, Mg, Ca and Total organic C in precipitation from the Bombuscaro site at 1000 m a.s.l. located at the climate station. The weekly time series extends between March 2018 and December 2019. Precipitation was sampled with 5 Hellmann-type collectors. Replicates were collected, volume-weighted and bulked to one sample per plot. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF. Samples were filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany for concentration measurements.

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in soil solution (at 15 cm mineral soil depth) in the ECSF area in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The weekly time series extends between May 2000 and May 2013. Soil solution was sampled on the 3 transects of Q2 with ceramic suction cups having a pore size of 1 µm installed at 15 cm depth in the mineral soil. On each transect 3 replicates were collected and bulked to one sample per plot and collection interval. Samples were immediately stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in soil solution (at 30 cm mineral soil depth) in the ECSF area in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The weekly time series extends between May 2000 and May 2013. Soil solution was sampled on the 3 transects of Q2 with ceramic suction cups having a pore size of 1 µm installed at 30 cm depth in the mineral soil. On each transect 3 replicates were collected and bulked to one sample per plot and collection interval. Samples were immediately stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

Monthly aggregated time series of litterfall in the ECSF area in the microcatchment Q2. Litterfall was sampled weekly on the 3 transects of Q2 (Q2.1, Q2.2, Q2.3) with 3 polyethylene mesh collectors (0.5 x 0.5 m) per transect. The samples were dried at 40 °C for one week and the mass of the dry litterfall was recorded. The masses of the 3 replicates at upper, middle and lower slope were averaged per transect and collecting interval and subsequently aggregated per month and transect.

Weekly time series of water fluxes, pH, electrical conductivity and measured concentrations of Al, Cu, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in stream water in the ECSF area in the microcatchment Q2. The weekly time series extends between March 1998 and December 2016. Stream water was sampled weekly upstream of the weir in Q2.1. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.

Monthly aggregated time series of measured concentrations of Al, Cu, Fe, Mn, Zn, C, N, S, P, K, Na, Mg, Ca in litterfall in the ECSF area in the microcatchment Q2. Litterfall was sampled weekly on the 3 transects of Q2 (Q2.1, Q2.2, Q2.3) with 3 polyethylene mesh collectors (0.5 x 0.5 m) per transect. The samples were dried at 40 °C for one week and stored at the ECSF until transport to Germany or Switzerland for chemical analyses. The replicates at upper, middle and lower slope were bulked per transect and collecting interval and the results were subsequently aggregated per month and transect. Samples were ground to <50 µm with a planetary ball mill (Retsch PM200, Haan, Germany) prior to elemental analysis of C, N, and S by thermal combustion (Elementar Analysensysteme, Hanau, Germany) and acid microwave digestion with concentrated HNO3. Element concentrations in the digested samples were measured by AAS, ICP-OES or ICP-MS.

Weekly time series of precipitation data from the ECSF area at the measuring station FN3 located on T2 near the ECSF meteorological station. Precipitation was measured with 5 Hellmann-type pluviometers. The resulting weekly replicates of precipitation were volume-weighted and bulked to one sample per collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Weekly time series of measured electrical conductivity and pH values in soil solution (at 30 cm mineral soil depth) in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The time series extends between May 2000 and December 2016. Soil solution was sampled on the 3 transects of Q2 with ceramic suction cups having a pore size of 1 µm installed at 30 cm depth in the mineral soil. On each transect 3 replicates were collected and bulked to one sample per plot and collection interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory of the ECSF.

Weekly time series of measured electrical conductivity and pH values in stream water in the microcatchment Q2. The time series extends between March 1998 and December 2016. Stream water was sampled weekly upstream of the weir in Q2.1. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory of the ECSF.