Data Set Results

Bacterial Production (Thymidine Uptake)

An important part of the McMurdo Long Term Ecological Research (LTER) is monitoring of spatial and temporal patterns, and processes that control bacterial production in perennial ice-covered lakes. This data set quantifies thymidine uptake by bacteria, which can be used to estimate bacterial production.

Date Range:

1993-10-27 to 2016-12-22

Data sources:

LIMNO_BACT_PROD

DOI:

10.6073/pasta/193abcdbbdac306dcf509e9ac062347a

Dataset ID:

Limnological Chemistry, Ion Concentrations and Silicon

As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, a systematic aqueous geochemical sampling program has been undertaken. A series of terrestrial water samples have been collected and analyzed for major ion chemistry by ion chromatography. The concentrations of ions cover a wide range of total dissolved solids from fresh to hypersaline lake waters.

Date Range:

1993-01-01 to 2013-12-31

Data sources:

LIMNO_CHEMISTRY

DOI:

10.6073/pasta/2cbb9e62342bdf6118b20553be7b922f

Dataset ID:

Chlorophyll-A Concentrations in Lakes

An important part of the McMurdo Long Term Ecological Research (LTER) project is monitoring of spatial and temporal patterns, and processes that control primary production in perennial ice-covered lakes. This data set addresses this core area of research and quantifies chlorophyll-a concentrations at specific depths in McMurdo Dry Valley lakes.

Date Range:

1993-10-27 to 2019-01-05

Data sources:

LIMNO_CHL_A_DEPTH

DOI:

10.6073/pasta/efa2f3d0efd3f26f4bda86f4f7d0bfb5

Dataset ID:

Particulate Organic Carbon and Nitrogen Concentrations in Lakes

An important part of the McMurdo Long Term Ecological Research (LTER) is evaluating carbon and nitrogen budgets in perennial ice-covered lakes. This dataset addresses this core area of research and quantifies the particulate carbon and nitrogen found at specific depths in McMurdo Dry Valley lakes.

Date Range:

1993-10-27 to 2014-12-22

Data sources:

LIMNO_POC_PON

DOI:

10.6073/pasta/526c4dc4d146331f964e2127b800edcb

Dataset ID:

Dissolved Inorganic Carbon Concentrations in Lakes

The McMurdo Long Term Ecological Research (LTER) project monitors patterns of inorganic material transport in perennial ice-capped lakes. This data set addresses this core area of research and quantifies dissolved inorganic carbon concentrations at specific depths in McMurdo Dry Valley lakes. Dissolved inorganic carbon is also necessary for the computation of primary productivity.

Date Range:

1993-10-27 to 2017-12-20

Data sources:

LIMNO_DIC

DOI:

10.6073/pasta/e68682ea6614259b4f091be206a773b8

Dataset ID:

Dissolved Inorganic Nitrogen Concentrations in Lakes

The McMurdo Long Term Ecological Research (LTER) project monitors patterns of inorganic material transport in perennial ice-capped lakes. This data set addresses this core area of research and quantifies dissolved inorganic nitrogen concentrations at specific depths in McMurdo Dry Valley lakes.

Date Range:

1993-10-10 to 2014-10-31

Data sources:

limndin

DOI:

10.6073/pasta/8a32b31bdf6daec942898461b31c77f0

Dataset ID:

CTD profiles in Lakes

As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, a series of Taylor Valley lakes have been monitored for conductivity, temperature and depth. A Seabird 25 CTD (conductivity, temperature, and depth) instrument was used to record temperature profiles in perennial ice covered lakes.

Date Range:

1993-12-06 to 2018-01-08

Data sources:

LIMNO_CTD

DOI:

10.6073/pasta/fcde3058c2d599572dc02e528f99db1e

Dataset ID:

Limno run codes, dates, and locations for lake profile data collected in the McMurdo Dry Valleys, Antarctica from 1991 to present

This data package provides a summary of "limno runs" performed each season in lakes located throughout the McMurdo Dry Valleys of Antarctica as part of the McMurdo Dry Valleys Long Term Ecological Research program. Each limno run is identified by unique code that allows one to compile a complete set of limnological data from a particular lake and location at specific time points.

Date Range:

1991-11-21 to 2019-01-05

Data sources:

LIMNO_RUN_CODING

DOI:

10.6073/pasta/c0c3ba2c2dfefc034c33f1d04c9d0f53

Dataset ID:

Limnological pH

As part of the McMurdo Long Term Ecological Research (LTER) project in the Dry Valleys of Antarctica, hydrogen ion concentrations were monitored in various lakes of the region. An Orion portable pH meter was used to record hydrogen ion concentrations at depth specific intervals in perennial ice-covered lakes.

Date Range:

1993-10-27 to 2018-12-29

Data sources:

LIMNO_PH

DOI:

10.6073/pasta/a0c17e313c63f6b5e5e5e071e5ba6b4a

Dataset ID:

Macronutrient Concentrations (NH4 - NO3 - NO2 - PO4) in Lakes

An important part of the McMurdo Long Term Ecological Research (LTER) project is identifying patterns and movements of nutrients in perennial ice-covered lakes. This data set addresses this core area of research and quantifies macronutrient concentrations found at specific depths in McMurdo Dry Valley lakes.

Date Range:

1993-01-01 to 2012-04-30

Data sources:

LIMNO_NUTRIENTS

DOI:

10.6073/pasta/ddafa14d91edc1092d4463d66d157fb9

Underwater Photosynthetically Active Radiation (PAR) Vertical Profiles from Lakes in the McMurdo Dry Valleys of Antarctica, 1993-present

As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, lakes were monitored for photosynthetic active radiation (PAR) levels. This data set exemplifies the vertical profile of underwater PAR profiles in perennial ice covered lakes and ambient PAR measured at the air-ice interface. Profile data can be used to calculate extinction coefficients for the water column and ice layer.

Date Range:

1993-10-28 to 2019-01-05

Data sources:

LIMNO_PAR_PROFILE

DOI:

10.6073/pasta/56cb06af01e4c9bcb110d48a493efb5b

Dataset ID:

Soil Moistures for Soil Biota Distribution Experiment

Investigation of the variation in soil biota and soil properties across the McMurdo Dry Valleys was part of the McMurdo Dry Valleys Long Term Ecological Research (LTER) project. The moisture content of soil samples collected for organism extraction and identification was determined.

The study began in the austral summer of 1993/1994. Samples were taken on:

* December 31, 1993

* January 3, 8, 10 and 13, 1994,

* December 12 and 22, 1994,

* January 6 and 9, 1995,

Date Range:

1993-12-31 to 1998-12-31

Data sources:

gsso

DOI:

10.6073/pasta/d9cc01b37bbfb66f6c8413767928ff6a

Dataset ID:

235

Bacterial Enumeration

An important part of the McMurdo Long Term Ecological Research (LTER) project is monitoring spatial and temporal patterns, and processes that control bacterial production in perennial ice covered lakes. This data set quantifies bacteria concentrations at specific depths in Dry Valley lakes.

Date Range:

2004-11-09 to 2008-03-25

Data sources:

LIMNO_BACT_ENUM

DOI:

10.6073/pasta/884656569c951dceeccb916547b4b61b

Dataset ID:

3002

Basic GIS Map Layers - up to 2007

Basic Layers from the MCM-LTER spatial data holdings have been exported and symbolized, and they are available for download here. Most of these layers date from Oct-2007 or earlier, please see the Polar GeoSpatial Center for more updated base and specialized layers.

Date Range:

2006-10-10 to 2007-11-01

Data sources:

MCMLTER_GIS Layers

DOI:

10.6073/pasta/a7f501c8c1065f60fdff481e9fb7c1b0

Dataset ID:

6005

GIS Raster Layers

Basic raster layers from the MCM-LTER spatial data holdings have been exported and symbolized. The dataset files offered here include:

Date Range:

2007-05-01 to 2007-11-01

Data sources:

MCMLTER_GIS_Raster_Layers

DOI:

10.6073/pasta/3b8cbc056b750239abffc58b74449fde

Dataset ID:

6006

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

DOI:

Dataset ID:

Date Range:

Data sources:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Date Range:

Data sources:

Locations:

DOI:

Dataset ID:

Site Contacts

Filter by Research Area

Filter By Location

Filter by principal investigator(s):

Filter by mcm keywords:

Filter by related publications:

Filter by LTER Core Areas

Filter by keywords:

Filter by date range » duration: