Climate, Soils, and Atmosphere

climate, soils, and atmosphere

Dataset: 

Data set ID: 

12345

Date range: 

1998-03-14 to 2019-02-21

Original investigator: 

Dale A Gillette

Data contact: 

Abstract: 

Collections of airborne sand are obtained at the 15 NPP sites and the Geomet site. The collections are taken using BSNE collectors. The collectors are turned into the wind with wind vanes. The amount of material collected corresponds to the horizontal flux at the height of the collector and the opening area of the collector and the duration of the sampling time. The five heights of the BSNE collectors above the soil surface are 5, 10, 20, 50, and 100 centimeters for every location where samples are taken. The hypothesis of the experiment is that the vertical flux of the particles smaller than 10 micrometers is a constant ratio of the horizontal sand flux. The objectives of the experiment are to find patterns of sand flux rates as affected by soil and vegetation.

Data download: 

Description: 

Horizontal sand mass flux data Derived from 5-stage BSNE collectors at 15 NPP sites and Geomet site

Horizontal sand mass flux data Derived from 5-stage BSNE collectors at 15 NPP sites and Geomet site

LTER Core Area(s): 

Keywords: 

Dataset: 

Data set ID: 

210128002

Date range: 

1983-12-05 to 2017-12-18

Original investigator: 

William H Schlesinger

Data contact: 

Abstract: 

Atmospheric deposition as found in dryfall (dust) and wetfall precipitation has been collected and analyzed since 1983 using an Aerochem Metrics wetfall/dryfall collector located at the Jornada LTER weather station north of Las Cruces, NM, USA.

Atmospheric deposition as found in dryfall (dust) and wetfall precipitation has been collected and analyzed since 1983 using an Aerochem Metrics wetfall/dryfall collector located at the Jornada LTER weather station north of Las Cruces, NM, USA. Wetfall occurring as precipitation is collected after each event with a sample size large enough to analyze. Each sample is analyzed for Br, Ca, Cl, F, HPO4, K, Mg, Na, NH4, NO3/NO2, SO4, Total N, and Total P. Analysis of Sr and Dissolved Organic Nitrogen was discontinued in 2003. Dryfall data are available as a separate data package.  

Data download: 

Description: 

Wetfall chemistry data

Wetfall chemistry data

LTER Core Area(s): 

Keywords: 

Dataset: 

Study number: 

471

Data set ID: 

210472001

Abstract: 

t: The goal of this Master’s thesis project, which was carried out in July and August of 2016, was to assess the effect of inferred grazing intensity on 1) vegetation cover type and 2) soil organic carbon (SOC) at the Jornada Experimental Range in southern New Mexico.

A sampling transect was established at each of 3 long term cattle water sources (85-106 years old), beginning 5m from the water source and continuing 1500m outward. Soil bulk density, soil organic carbon, soil organic nitrogen, and dominant plant cover type (shrub, grass, and bare soil) were sampled at 20 locations on each transect. Two hypotheses evaluated in this study are: 1) higher grazing pressure near the water source will lead to reduced vegetation cover and C inputs into the soil, leading to higher SOC stocks in soil with far proximity to the water source; and 2) Grazing very close to the water source will exert high disturbance and deposit SOC via defecation, leading to higher SOC stocks in soil with close proximity to the water source.

 

A figure of the data in this package:  https://jornada.nmsu.edu/sites/jornada.nmsu.edu/files/files/data/Cattle_soil_carbon_figure.jpg

Location on EDI: https://portal.edirepository.org/nis/metadataviewer?packageid=knb-lter-jrn.210472001.1

Data download: 

Description: 

Vegetation Cover and Soil Organic Carbon at 3 wells in the Jornada Basin

Vegetation Cover and Soil Organic Carbon at 3 wells in the Jornada Basin

LTER Core Area(s): 

Keywords: 

Dataset: 

Study number: 

328

Data set ID: 

210328003

Date range: 

2011-07-12 to 2013-12-13

Data contact: 

Abstract: 

This completed dataset contains soil moisture data from a study at the Jornada Experimental Range (JER) in southern New Mexico. The study was designed to assess the effect of interannual variability in precipitation on average aboveground net primary productivity (ANPP) in Chihuahuan Desert grasslands. The study began in 2009 and has five precipitation treatments (see Methods).

While the study began in 2009, contains 50 plots (10 per treatment) and is ongoing, these data were only collected from July 2011 to December 2013 in a subset of 20 plots (4 per treatment). This dataset is intended to provide information about the amount of water in the top 30 cm of soil as well as verify that experimental precipitation manipulations are effective. Figure of soil moisture by precipitation treatment: https://jornada.nmsu.edu/sites/jornada.nmsu.edu/files/files/data/soil_moisture_figure.jpg Metadata and data on EDI: https://portal.edirepository.org/nis/mapbrowse?scope=knb-lter-jrn&identifier=210328003

Data download: 

Description: 

soil moisture and precipitation data from interannual precipitation variability study

soil moisture and precipitation data from interannual precipitation variability study

Keywords: 

Dataset: 

Study number: 

351

Data set ID: 

210351003

Date range: 

2001-01-01 to 2001-12-31

Original investigator: 

Jin Yao

Abstract: 

This completed dataset, collected in 2001, contains soil particle size analysis (PSA) and sand fractionation data from soil cores collected at 116 quadrat locations that are part of the Jornada Experimental Range's long-term Permanent Quadrats study. The goal of this effort was to help characterize plant-scale factors related to vegetation dynamics observed in the Permanent Quadrats.

At each quadrat location, 4 cores were collected at 2 depths (0-5cm and 5-20cm) and assessed for percent sand, silt and clay. The sand fraction, if large enough, was then separated into 5 sand size classes (53-106 micrometers, 106-250 micrometers, 250-500 micrometers, 500-1000 micrometers, 1000-2000 micrometers) to measure the percent fraction of each.

Composition of Sand Fraction at 116 Permanent Quadrats:  https://jornada.nmsu.edu/sites/jornada.nmsu.edu/files/files/data/Quadrats_Sand_Fractionation_0.jpg

Soil Particle Size Analysis at 116 Permanent Quadrats: https://jornada.nmsu.edu/sites/jornada.nmsu.edu/files/files/data/Quadrats_PSA_0.jpg

Soil PSA

Data download: 

Description: 

  Soil PSA and Sand Fractionation data
  Soil PSA and Sand Fractionation data

LTER Core Area(s): 

Keywords: 

Dataset: 

Study number: 

13

Data set ID: 

210013003

Date range: 

1989-07-05 to 2015-12-01

Original investigator: 

Wesley Jarrell

Data contact: 

Abstract: 

    Monthly soil water content measurements are made at 10 depths (where
    possible) at each of 10 access tubes at each of the 15 LTER-II NPP
    sites using a neutron probe (CPN Model 503DR Hydroprobe).  The counts
    of thermalized neutrons are adjusted for the decay rate of Americium
    241, then converted to soil water content using individual site

    Monthly soil water content measurements are made at 10 depths (where
    possible) at each of 10 access tubes at each of the 15 LTER-II NPP
    sites using a neutron probe (CPN Model 503DR Hydroprobe).  The counts
    of thermalized neutrons are adjusted for the decay rate of Americium
    241, then converted to soil water content using individual site
    regressions.  Soil water content is a volume/volume relationship and
    represent cm3 water/cm3 soil.  Data are provided at 30cm intervals from
    30cm to a maximum of 270cm soil depth, shallower when an impenetrable
    caliche layer is reached.  Field readings may include one at 300cm;
    however, the value for the deepest depth of each access tube is removed
    from the calculated soil water content data because of the effect of
    measuring greater soil volume directly below the probe than that of the
    more shallow depths.

Data download: 

Description: 

Data file information for the following Jornada data set: Soil Volumetric Water Content at the 15 NPP Sites of the Jornada Basin LTER from 1989

Data file information for the following Jornada data set: Soil Volumetric Water Content at the 15 NPP Sites of the Jornada Basin LTER from 1989

LTER Core Area(s): 

Keywords: 

Dataset: 

Study number: 

407

Data set ID: 

210407001

Date range: 

1976-04-22 to 2010-12-31

Original investigator: 

Eddie Garcia

Data contact: 

Abstract: 

    This data set is comprised of daily precipitation totals, in inches, measured by Belfort
     Instruments weighing rain gauges at 58 locations on the Jornada Experimental Range.
     Locations and the dates during which data were collected at them were generally project-oriented.
     See comment section (#20) for start and end dates for each location.

    This data set is comprised of daily precipitation totals, in inches, measured by Belfort
     Instruments weighing rain gauges at 58 locations on the Jornada Experimental Range.
     Locations and the dates during which data were collected at them were generally project-oriented.
     See comment section (#20) for start and end dates for each location.

    Days on which data could not be obtained (due to equipment failure, user error, and/or
     other reasons) are flagged as missing within this dataset.  As of 31 December 2008 they
     comprised 1,270 of the total 291,465 records, which is less than 0.44% of the data set.
 

Data download: 

Description: 

Data file information for the following Jornada data set: USDA-ARS Jornada Experimental Range Recording (Weighing) Rain Gauge Daily Data begins 1976

Data file information for the following Jornada data set: USDA-ARS Jornada Experimental Range Recording (Weighing) Rain Gauge Daily Data begins 1976

LTER Core Area(s): 

Keywords: 

Project: 

Study Number: 407

Project ID: 

210407000

Original Investigator: 

Eddie Garcia

Abstract: 

Daily precipitation totals, in inches, measured by weighing rain gauges at 58 locations


on the USDA-ARS Jornada Experimental Range began in 1976.  Locations and the dates during which data were collected at them
change over time.

Funding Source: 

USDA ARS

Research Area: 

Data Category: 

Dataset: 

Study number: 

16

Data set ID: 

210169002

Date range: 

1983-12-05 to 2000-11-14

Original investigator: 

William H Schlesinger

Data contact: 

Abstract: 

Wet atmospheric fallout (wetfall occurring as precipitation) is collected monthly using an Aerochem Metrics wetfall/dryfall collector located at the LTER weather station. Each sample is analyzed for NO3, NH4, Cl, SO4, Ca, Mg, Na, K, Total N, & Total P.
Wet atmospheric fallout (wetfall occurring as precipitation) is collected monthly using an Aerochem Metrics wetfall/dryfall collector located at the LTER weather station. Each sample is analyzed for NO3, NH4, Cl, SO4, Ca, Mg, Na, K, Total N, & Total P.

Description: 

Data file information for the following Jornada data set: Wetfall deposition chemistry data

LTER Core Area(s): 

Project: 

Study Number: 425

Project ID: 

210425000

Abstract: 

The principal purpose is to provide daily precipitation at specific sites to assist the study of vegetation response over time.

Estimated daily precipitation is calculated for each of 15 aboveground net primary productivity (ANPP) sites located in the 5 dominant vegetation zones on the Jornada Basin. The 15 sites were formally established in 1989 as LTER Study 268, but these rainfall estimates begin in 1980 using the closest rain gauge that provides a minimum resolution of daily precipitation data.

Funding Source: 

LTER V

Research Area: 

Data Category: 

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