aqp (version 2.1.0)

rowley2019: Soil Morphologic, Geochemical, and Mineralogy Data from Rowley et al. 2019.

Description

Data from Table 1 and Supplementary Tables 1 and 2 from "A cascading influence of calcium carbonate on the biogeochemistry and pedogenic trajectories of subalpine soils, Switzerland".

Usage

data(rowley2019)

Format

A SoilProfileCollection object:

site-level attributes

id

profile ID

group

profile group

horizon-level attributes

sample_id

sample ID

name

horizon name

pH

pH

Al_exch

cmol(+) / kg, exchangeable Al

Ca_exch

cmol(+) / kg, exchangeable Ca

CEC_sum

cmol(+) / kg, cation exchange capacity calculated as the sum of exchangeable cations, not including H+

Ca_exch_saturation

percent

Al_exch_saturation

percent

TON

percent, total nitrogen

SOC

percent, soil organic carbon

C_to_N

carbon to nitrogen ratio

Alo

g/kg, oxalate-extractable Al

Feo

g/kg, oxalate-extractable Fe

Ald

g/kg, dithionite-extractable Al

Fed

g/kg, dithionite-extractable Fe

Feo_Fed

Fe_o to Fe_d ratio

id

profile ID

top

horizon top (cm)

bottom

horizon bottom (cm)

Al

g/kg by x-ray fluorescence

Ca

g/kg by x-ray fluorescence

Cr

g/kg by x-ray fluorescence

Fe

g/kg by x-ray fluorescence

K

g/kg by x-ray fluorescence

Mg

g/kg by x-ray fluorescence

Mn

g/kg by x-ray fluorescence

Na

g/kg by x-ray fluorescence

Ni

g/kg by x-ray fluorescence

P

g/kg by x-ray fluorescence

Si

g/kg by x-ray fluorescence

Ti

g/kg by x-ray fluorescence

Phyllosilicates

percent by x-ray diffraction spectra

Quartz

percent by x-ray diffraction spectra

K_Feldspar

percent by x-ray diffraction spectra

Na_Plagioclase

percent by x-ray diffraction spectra

Goethite

percent by x-ray diffraction spectra

Unidentified

percent by x-ray diffraction spectra

CCE_Total

percent

CCE_Reactive

percent

Reactive_carbonate

percent

Sand

percent <2um

Silt

percent 2-50um

Clay

percent 50-2000um

CaH2O

Milliq ex: grams of Ca per kilogram of dry soil (g kg-1)

Ca2MKCl

2M KCl: grams of Ca per kilogram of dry soil (g kg-1)

CaNa2EDTA

0.05 M Na2EDTA: grams of Ca per kilogram of dry soil (g kg-1)

CaCuCl2

0.5 M CuCl2: grams of Ca per kilogram of dry soil (g kg-1)

hzID

horizon ID

References

Mike C. Rowley, Stephanie Grand, Thierry Adatte, Eric P. Verrecchia, Cascading influence of calcium carbonate on the biogeochemistry and pedogenic trajectories of subalpine soils), Switzerland, Geoderma, 2019, 114065, ISSN 0016-7061, tools:::Rd_expr_doi("10.1016/j.geoderma.2019.114065").

Examples

library(lattice)

# load data
data('rowley2019')

# check first 5 rows and 10 columns of horizon data
horizons(rowley2019)[1:5, 1:10]

# check site data
site(rowley2019)

# graphical summary
par(mar=c(1,1,3,1))
plotSPC(rowley2019, color='Feo_Fed', name='name', cex.names=0.85)

plotSPC(rowley2019, color='Ca_exch', name='name', cex.names=0.85)

# grouped plot
groupedProfilePlot(rowley2019, groups = 'group', color='Ca_exch',
name='name', cex.names=0.85, group.name.offset = -10)

# aggregate over 1cm slices, for select properties
a <- slab(rowley2019, group ~ Reactive_carbonate + Ca_exch + pH + K_Feldspar + Na_Plagioclase + Al)

# plot styling
tps <- list(superpose.line=list(lwd=2, col=c('royalblue', 'firebrick')))

# make the figure
xyplot(top ~ p.q50 | variable, data=a, ylab='Depth', groups=group,
       main='', as.table=TRUE,
       xlab='median bounded by 25th and 75th percentiles',
       lower=a$p.q25, upper=a$p.q75, ylim=c(55,-5),
       panel=panel.depth_function,
       prepanel=prepanel.depth_function,
       cf=a$contributing_fraction,
       alpha=0.33, sync.colors=TRUE,
       scales=list(x=list(relation='free', alternating=1)),
       par.settings=tps,
       auto.key=list(columns=2, lines=TRUE, points=FALSE),
       strip=strip.custom(bg=grey(0.9))
)