Date
2010
Abstract
This file contains hourly time-domain reflectometry (TDR) soil moisture data for 1996-2005. A key factor in a spatially explicit water-balance model is a measure of moisture in the soils over time. This metric is crucial for both calibration and validation of such a model. One of the best methods of measuring soil moisture on a continuous basis is TDR. Therefore, a network of TDR soil moisture sensors was installed at all meteorological stations on the Sevilleta National Wildlife Refuge. At two of the sites the sensors were measured on an hourly basis in conjunction with the meteorological variables. At the four other sites the sensors were measured on a much less frequent basis - about every two weeks. Sensors were installed in pits in sets of five. One sensor was installed vertically adjacent to the pit to measure the top 30 cm of soil. The other four were installed horizontally in the face of the pit at 5, 10, 20, and 40 cm. Pits were then backfilled.
Handle
http://hdl.handle.net/1928/29833.1
Other Identifier
SEV78
Knowledge Network for Biocomplexity (KNB) Identifier
knb-lter-sev.78.255033
Document Type
Dataset
Rights
Data Policies: This dataset is released to the public and may be freely downloaded. Please keep the designated Contact person informed of any plans to use the dataset. Consultation or collaboration with the original investigators is strongly encouraged. Publications and data products that make use of the dataset must include proper acknowledgement of the Sevilleta LTER. Datasets must be cited as in the example provided. A copy of any publications using these data must be supplied to the Sevilleta LTER Information Manager. By downloading any data you implicitly acknowledge the LTER Data Policy (http://www.lternet.edu/data/netpolicy.html).
Source
http://dx.doi.org/10.6073/pasta/f5be8a39351d772dac6a87564a73aae3
Temporal coverage
1996-01-01 - 2005-12-31
Spatial coverage
Location: Deep Well is located on McKenzie Flats and is site of the longest running SEV LTER met station, number 40, which has been active since 1988. In addition to studies of meteorological variables, core line-intercept vegetation transects and line-intercept transects from the 1995 and 2001 Deep Well fires are sampled here. The mini-rhizotron study, blue and black grama compositional comparison, blue and black grama patch dynamics investigation, and kangaroo rat population assessement are all ongoing here. Deep Well Blue/Black Grama Mixed is also the location of the warming and monsoon experiments, as well as portions of the line-intercept and vegetation removal studies. On August 4, 2009, a lightning-initiated fire began on the Sevilleta National Wildlife Refuge. By August 5, 2009, the fire had reached the area of Deep Well Blue/Black Grama Mixed. While portions of this site were burned, the entirety was not. See individual projects for further information on the effects of the fire.Vegetation: The vegetation of Deep Well Blue/Black Grama Mixed is Chihuahuan Desert Grassland, dominated by black grama (Bouteloua eriopoda) and blue grama (B. gracilis). Other grasses found at the site include dropseeds (Sporobolus spp.) and threeawns (Aristida spp.). Shrubs are uncommon but those that occur include Yucca glauca, Ephedra torreyi, and four-wing saltbush (Atriplex canescens). Herbaceous plants include Plantago purshii, Hymenopappus filifolius, and globe mallows (Sphaeralcea spp.). , Location: The Rio Salado is an ephemeral tributary of the Rio Grande on the west side of the Sevilleta NWR, flowing west by northwest to east by southeast. Rio Salado Grassland and Rio Salado Larrea are two study sites established in 1989. These sites were established as counterparts to sites at Five Points. Between 1989 and 1998, vegetation, litter decomposition, and ground dwelling arthropod and rodent populations were studied at both sites. Core studies at these sites were largely terminated in 1998, although rodent populations are still monitored at the Rio Salado Larrea site as the Small Mammal Exclosure Study's Larrea plots are co-located there. Rio Salado Grassland is the location of Met Station 44. The Rio Salado study sites are accessed by taking the San Acacia exit, going west and then taking the frontage road back north to the Sevilleta NWR gate. After entering the refuge turn left after 0.2 mi and take this road 1.4 mi to a "T" in the road at the power lines. An earthen berm stops road travel here and the met station is located about 300 m west on the blocked road. Vegetation: The Rio Salado Grassland site is Plains-Mesa Sand Scrub habitat characterized by stabilized deep-sand dominated by coppice dunes of honey mesquite (Prosopis glandulosa). Co-dominant shrubs are sand sagebrush (Artemesia filifolia) and fourwing saltbush (Atriplex canescens), with winterfat (Krascheninnikovia lanata), Mormon tea (Ephedra torreyana), broom indigobush (Psorothamnus scoparius), soapweed yucca (Yucca glauca), and broom snakeweed (Gutierrezia sarothrae) as other notable shrubs. One-seed juniper (Juniperus monosperma) is present as well, especially along shallow washes. Compared to the Black Grama Core Site, grass cover is sparse and dominated by poverty threeawn (Aristida divaricata), Indian ricegrass (Oryzopsis hymenoides), mesa and spike dropseed (Sporobolus cryptandrus and S. contractus), as well as patches of black grama (Bouteloua eriopoda). Notable forbs included spectaclepod (Dimorphocarpa wislizenii), tansy aster (Machaeranthera tanacetifolia), desert marigold (Baileya multiradiata), Abert buckwheat (Eriogonum abertianum), dwarf gilia (Ipomopsis pumila), rattlesnake weed (Chamaesyce albomarginata), blunt tansymustard (Descarania obtusa), plains hiddenflower (Cryptantha crassisepala), and Rocky Mountain zinnia (Zinnia grandiflora)., siteid: 13Location: Bronco Well is located near the northern boundary of the Sevilleta NWR, approximately four miles west of the ATandT on the road to Red Tank.siteid: 14Location: Just north of UNM's Sevilleta Field Stationsiteid: 15Location: The Goat Draw Juniper Savanna Core Site was established in 1998 in order to provide data at the lower end of the transition from the Pinon-Juniper Woodland habitat at the Cerro Montoso site to Juniper Savanna.Vegetation: While the site is positioned between two ridgelines, the vegetation is best characterized as Juniper Savanna, dominated by one-seed juniper (Juniperus monosperma), scrub liveoak (Quercus turbinella), and grama grasses (Bouteloua curtipendula, B. gracilis, B. eriopoda, and B. hirsuta), with scattered Colorado pinyon pine trees (Pinus edulis) in the upper reaches. There is also a significant influence of Arroyo Riparian vegetation in the main arroyo, Goat Draw, and its tributaries., siteid: 39Location: This site is located in the foothills of the Sierra Ladrones on the west side of the Sevilleta NWR. Red Tank is a man-made earthen drainage pool and is the location of Met Station 43. Research conducted at the site includes soil moisture and erosion studies related to the Sierra Ladrone watershed project.Vegetation: The woody vegetation in this stream bed includes juniper (Juniperus monosperma), Brickellia californica, Apache plume (Fallugia paradoxa). On the hills are Junipers and shrubs such as cane cholla (Opuntia imbricata), beargrass (Nolina microcarpa), and Oreganillo (Aloysia wrightii). The herbs in the washes include Lesquerella ovalifolia, and Mirabilis multiflora. The grasses found at this site include three-awn (Aristida sp.), fluff-grass Erioneuron pulchellum, and four species of grama grass (Bouteloua spp.), siteid: 12
DOI
doi:10.6073/pasta/f5be8a39351d772dac6a87564a73aae3
Permanent URL
http://dx.doi.org/10.6073/pasta/f5be8a39351d772dac6a87564a73aae3
Recommended Citation
Gosz, James (2010): Time Domain Reflectometry at the Sevilleta National Wildlife Refuge, New Mexico, (1996-2005). Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/f5be8a39351d772dac6a87564a73aae3
Show full metadata
knb-lter-sev.78.255033-provenance.xml (3 kB)
Show provenance metadata
knb-lter-sev.78.255033-report.html (26 kB)
Show original LTER Network Data Portal ingest report
sev078_tdr_12092011.txt (14769 kB)
Data in TXT format
Comments
This dataset was originally published on the Long Term Ecological Research (LTER) Network Data Portal, https://portal.lternet.edu, and potentially via other repositories or portals as described. The Digital Object Identifier (DOI) of the source data package is doi:10.6073/pasta/f5be8a39351d772dac6a87564a73aae3, and may be accessed at http://dx.doi.org/10.6073/pasta/f5be8a39351d772dac6a87564a73aae3. Metadata and files included in this record mirror as closely as possible the source data and documentation, with the provenance metadata and quality report generated by the LTER portal reproduced here as '*-provenance.xml' and *-report.html' files, respectively.