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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 55 records · Page 3
All sourcesNASA NTRSDOE OSTI
DOE OSTI2019

FATES Parameters and Output for Parameter Sensitivity at the Panama Barro Colorado Island Testbed

This data package contains a set of Functionally Assembled Terrestrial Ecosystem Simulator (FATES) history files and parameter values for the set of model simulations used in Koven et al. Manuscript "Benchmarking and Parameter Sensitivity of Physiological and Vegetation Dynamics using the Functionally Assembled Terrestrial Ecosystem Simulator (FATES) at Barro Colorado Island, Panama." It includes several ensembles of FATES runs, where each ensemble is comprised of a set of 576 runs that have different values of PFT traits. The ensembles include 1 PFT, 2 PFT, 3 PFT, and 10 PFT simulations. Different ensembles also have different values of disturbance and height sorting parameters, and structural differences including running FATES within different LSMs.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2019

Panama Land Model (CLM/ELM) Site Drivers

This data package contains meteorological and surface data at the Barro Colorado Island (BCI) and Bosque Protector San Lorenzo (Fort Sherman) NGEE Tropics sites in Panama. Data has been converted into formats usable by the land-models driving the Functionally-Assembled Terrestrial Ecosystem Simulator (FATES). Surface datasets are model release dependent and may have to be re-processed for later versions of the model. Current surface datasets based off of "<>_16pfts_Irrig_CMIP6_simyr2000_c170824.nc" See the README_ngeet_lm_driver text file in the attached zip file for detailed descriptions of the included data files.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2021

Sapling bark water vapor conductance measurements from 2016-2019, Panama

This data package contains lab-based measurements of bark water vapor conductance from saplings in seasonally dry forests in the Parque Natural Metropolitano and Eugene Eisenmann Reserve, and a shadehouse in Panama. A total of 14 populations of 8 tree species were measured. The goal was to test whether bark water vapour conductance (gbark) was associated with values of stem water deficit that were published previously. In the attached zip file are two Excel metadata files with site information and descriptions of the CSV datasets included, as well as a PDF file "Sapling bvc metadata description," which describes the methods and protocol thoroughly. This data is associated with the publication Wolfe Brett T. 2020Bark water vapour conductance is associated with drought performance in tropical treesBiol. Lett.1620200263 https://doi.org/10.1098/rsbl.2020.0263.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2020

Sap flow data from San Lorenzo, Panama (PA-SLZ), 2019

This data package contains sap flow data from the NGEE Tropics site in San Lorenzo, Panama (PA-SLZ) from 22 January 2019 to 31 December 2019. Sap flow measurements quantify plant-level transpiration, which varies across spatial and temporal scales. It is a key trait in understanding plant hydraulic functioning. Here sap flow was measured using ‘Granier-type’ thermal dissipation probes. Raw data downloaded from each data logger are in the 'Raw data' folder as CSV files, along with the Campbell data logger programs which can be read when opened with a text editor. The data was processed using the AquaFlux package in R. R code for preparing the data for use in AquaFlux is in the 'R code for pre-processing data folder'; it is saved as a text file that can be copy and pasted into R. The processed data for each data logger is in the 'Processed data' folder as CSV files. Documentation for the Granier sensors and AquaFlux package is in the ‘Manuals’ folder as PDF files.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2021

Panama tropical forest digital camera imagery for vegetation phenology, Dec2016-May2019, PA-SLZ, PA-PNM, PA-BCI

Tropical forest phenology monitoring undertaken by use of Wingscapes timelapse cameras (phenocams) at three tropical evergreen forests in Panama: San Lorenzo, Parque Natural Metropolitano, and Barro Colorado Island. Following installation in December 2016, images were acquired every 10 minutes from 10 am to 2 pm daily, ending in May 2019. A total of 37 cameras were mounted on towers and tree branches, and view sunlit canopy or understory forest as follows: PA-SLZ, 11 canopy, 14 understory; PA-PNM, 6 canopy, 2 understory, PA-BCI, 4 canopy (trees also monitored for sap flow). This data package contains a full data description, metadata, species identification guides and summary files showing example fields of view from each camera location as csv and pdf files. The data description provides instructions for download of the full resolution image files, and other summary data products stored on external servers.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2021

Leaf spectral reflectance and transmittance, San Lorenzo, Panama, 2020

This data package contains full-range (350 – 2500 nm) leaf reflectance and transmittance spectra of leaves collected at the San Lorenzo forest canopy crane site in Panama (PA-SLZ) from January to March 2020. Around 1000 leaves were measured from 50 species and various leaf phenological stages. Leaves were sampled from both the top of the canopy and multiple heights within the canopy from 10 vertical profiles and for six core species, from the top of the canopy. This data package includes processed leaf spectra (*.csv), and raw data from the spectroradiometer (compressed as .zip). Metadata files include data descriptions (_dd.csv) for tabular data and sample information and a description of the field campaign protocol (PA-SLZ_2020_Protocol.pdf). In addition to the leaf spectral measurements included here, these samples were also used for measurement of leaf gas exchange, carbon and nitrogen content and leaf mass per unit leaf area (LMA) contained in related data packages.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2021

Leaf gas exchange and fitted parameters, San Lorenzo, Panama, 2020

This data package contains photosynthetic CO2 response curves (ACi curves), light response curves (AQ curves), dark adapted dark respiration, conductance curves, and survey measurements for leaves measured at the San Lorenzo forest canopy crane site, Panama (PA-SLZ) from January to March 2020. Leaves were sampled from both the top of the canopy and multiple heights within the canopy from 10 vertical profiles and included around 50 species. In addition, six core species were also measured, from the top of the canopy. Fitted maximum carboxylation rate (Vcmax), maximum electron transport rate (Jmax), and triose phosphate utilization rate (TPU) were derived from measured data as well as the convexity, light use efficiency, apparent quantum yield, and Rdark. The measurements can also be used to derive the conductance parameters g0 and g1 of stomatal model. All the gas exchange data and metadata are presented in .csv files and complete instrument output are included in .zip folders. Data and metadata meet the ESS-DIVE leaf-level gas exchange reporting format requirements. The protocol details are provided as pdf documents. In addition to gas exchange data described here these samples were also used for measurement of leaf optical properties, carbon and nitrogen content, and leaf mass per unit leaf area (LMA) these data can be cross linked using the unique sample ID and are provided in separate related data packages. Sample information including canopy elevation and leaf area index (LAI) can be found in the related “Leaf and canopy traits” data package.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf structural and chemical traits, and BNL field campaign sample details, San Lorenzo, Panama, 2020

This data package includes leaf traits, canopy traits and sample details for leaves from 71 species sampled from the San Lorenzo forest canopy crane site, Panama (PA-SLZ) during the BNL field campaign in January to March 2020. Each leaf sample is described with species, phenological stage and location within vertical canopy profiles. Leaf area index (LAI) and height is presented for each canopy profile location. Leaf mass per area (LMA), leaf water content (LWC) and leaf carbon and nitrogen content are included for a subset of the samples. This data package includes sample details, processed data for leaf traits and LAI (*.csv), LAI raw data (compressed as *.zip) and digital camera images (*.jpg, compressed as *.zip) of the leaf samples. Metadata files include data descriptions (_dd.csv) for tabular data, a list of all species sampled during the campaign (*.csv) and a detailed description of the field campaign protocol and methods (*.pdf). See related datasets for leaf gas exchange, leaf water potential and leaf spectral measurements made on the samples described here.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Canopy spectra, Feb2017, PA-SLZ: Panama

Canopy spectra of sunlit canopy of Guarea kunthiana, Brosimum utile, Terminalia amazonia (TERMAM), Vochysia ferruginea (VOCHFE), Miconia borealis (MICOBO) and Guatteria dumetorum (GUATDU) species from the Smithsonian Tropical Research Institute (STRI) canopy crane site in the San Lorenzo National Park, Republic of Panama (PA-SLZ: Bosque Protector San Lorenzo). Canopy spectra were measured at 1:20 – 2 pm on 22 February 2017, using a SVC spectroradiometer. This data package includes the raw SVC data (*.sig), processed data of individual spectra, and processed spectra averaged over the canopy of each of the six trees measured (*.csv). The package also includes photographs of the canopy spectral targets, metadata and the instrument manual. This data was collected as part of the 2017 Brookhaven National Laboratory – Smithsonian Tropical Research Institute leaf traits by age campaign.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf-to-canopy spectral reflectance, February 2018, PA-SLZ: Panama

Canopy reflectance spectra of 37 trees were measured at the Smithsonian Tropical Research Institute (STRI) San Lorenzo Protected Area site (PA-SLZ), utilising the canopy access crane to access fully sunlit leaves. Data were recorded in the middle of the day, with 20–50 measurements for each tree. The canopy structure for each crown was captured using a digital camera. Leaf-level reflectance and leaf demographic composition (age class) was recorded in detail for a > 0.5 meter branch sampled from each canopy tree (corresponding to the position where canopy spectra were measured). This dataset includes processed canopy and leaf-level spectral measurements (*.xlsx), raw spectral data (Spectral Evolution PSR+, *.raw, *.sed), sample details (*.xlsx) and *.pdf summaries containing low resolution photographs of the measured canopies. Full resolution images are available in the related dataset, "Leaf-to-canopy spectral reflectance photographs, February 2018, PA-SLZ: Panama".

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf-to-canopy spectral reflectance photographs, Feb2018, PA-SLZ: Panama

Photographs of 37 tree canopies were taken at the Smithsonian Tropical Research Institute (STRI) San Lorenzo Protected Area site, utilising the canopy access crane to view tree crowns. Canopy photos were taken to capture canopy structural information to accompany matching canopy reflectance spectra. Canopy data were recorded in the middle of the day. This collection also includes photographs showing leaf-level detail of branches sampled from each tree, with the photo taken after the branch samples were removed from the trees. These full resolution canopy and branch sample photographs (*.jpg) accompany the dataset "Leaf-to-canopy spectral reflectance, February 2018, PA-SLZ: Panama". Refer to this companion dataset for full metadata, including sample and species information.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf C and N content, Feb2016-May2016, PA-SLZ, PA-PNM, PA-BCI: Panama

This dataset contains carbon, hydrogen and nitrogen content data of 33 tree species collected from February to May 2016 at the NGEE-Tropics Bosque Protector San Lorenzo (PA-SLZ) and Parque Natural Metropolitano (PA-PNM) sites in Panama. Data from Barro Colorado Island (PA-BCI) is only available for March 2016. This data was collected as part of the 2016 ENSO campaign. See related datasets for further sample details, leaf water potential, leaf spectra, gas exchange and leaf mass per area (LMA). Most leaves were sampled from sunlit canopy trees. VERSION 2 update. The identification of a species from the PNM site has been corrected as follows: the identification of the tree initially identified as Pseudosamanea guachapele (ALBIED) has been revised to Albizia adinocephala (ALBIAD). The updated data package includes revised data, metadata and protocol documents updated to reflect this change.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Pre-dawn leaf water potential, San Lorenzo, Panama, 2020

This data package contains predawn leaf water potential (LWP) data for leaves sampled in the San Lorenzo forest canopy crane site in Panama (PA-SLZ) from January to March 2020. Data were collected from 31 species, from top of canopy and vertical profiles within the canopy. All data and metadata are presented in .csv files. The protocol details are provided as *.pdf. See related data packages from the BNL 2020 field campaign for leaf optical properties and gas exchange measurements. Sample information including canopy elevation and leaf area index (LAI) can be found in the related “Leaf and canopy traits” data package.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf gas exchange and fitted parameters, two sites in Panama, 2022

Photosynthetic CO2 response curves (ACi curves), light response curves (AQ curves), dark adapted dark respiration, conductance curves, and survey measurements for leaves measured in the Parque Natural Metropolitano (PNM) and Gamboa, Panama, from January to April 2022 are presented. Measurements were made on leaves from 46 different tree, shrub and liana species, from sunlit canopy and understory locations. Leaf area index from 8 vertical profiles at PNM are also included. The aim of this measurement campaign was three-fold: (i) to improve our understanding of the vertical variation in leaf-level water use efficiency; (ii) to develop an understanding of the sensitivity of stomata to changes in environmental conditions, especially light, humidity, and temperature; (iii) to improve models which can predict leaf traits from leaf contact spectral measurements. All the gas exchange data and metadata are presented in .csv files and complete instrument output are included in .zip folders. Data and metadata meet the ESS-DIVE leaf-level gas exchange reporting format requirements. The protocol details are provided as pdf documents. In addition to gas exchange data reported here these samples were also used for measurement of leaf optical properties, carbon and nitrogen content, and leaf mass per unit leaf area (LMA). These data can be cross linked using the unique sample ID and are provided in separate data packages.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf gas exchange (BNL-PNNL collaboration), San Lorenzo, Panama, 2020

This data package contains Photosynthetic CO2 response (ACi curves) and Light Response (AQ) of mature sunlit canopy leaves of 11 species from PA-SLZ, February 2020. Branches were cut from the top of the canopy and re-cut under water. Fitted Vcmax and Jmax photosynthetic parameters were derived from measured data as well as the convexity, light use efficiency and apparent quantum yield. This data was collected as a collaboration between Brookhaven National Laboratory (BNL) and Pacific Northwest National Laboratory (PNNL), and is a subset of the 2020 BNL Panama campaign. The species included in this dataset are: Apeiba membranacea, Carapa guianensis, Cespedesia spathulate, Jacaranda copaia, Lonchocarpus heptaphyllus, Pera arboea, Pourouma bicolore, Symphonia globulifera, Tachigali versicolor, Tapirira guianensis, and Virola sebifera. The files included in this data package are in .csv and .pdf format, with two Excel files containing additional metadata.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2022

Leaf C and N content by leaf age, Feb2017, PA-SLZ: Panama

This dataset contains carbon, hydrogen and nitrogen content measurements of sunlit canopy leaves of Apeiba membranacea (APEIME), Guatteria dumetorum (GUATDU), Miconia borealis (MICOBO), Terminalia amazonia (TERMAM), Virola multiflora (VIROSP) and Vochysia ferruginea (VOCHFE) species. Data was collected from the NGEE-Tropics Bosque Protector San Lorenzo (PA-SLZ) site in Panama in February of 2017 as part of the 2017 Brookhaven National Lab–Smithsonian Tropical Research Institute leaf traits by age campaign. A PDF with full sapling protocol is included in this dataset, along with metadata files in Excel file format. Data is in both CSV (Panama2017_CHN.csv) and Excel file formats. See related datasets for further sample details, leaf spectra, sap flow, leaf water potential, leaf mass per area (LMA), and gas exchange measurements.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2023

Panama leaf water potential census 2015-2019

This dataset contains values of leaf water potential from a monthly census of predawn and midday measurements conducted on nine trees in each of two sites in Panama from December 2015 to July 2019. The dataset includes individual measurements that were made with a pressure chamber. The measurements were made on the focal trees to complement concurrent measurements of sap flow. The trees were also intensively measured for leaf-level physiological condition during the 2016 ENSO campaign conducted by NGEE-tropics. A subset of measurements was made on leaves that were sealed in plastic bags and protected from solar radiation before they were collected, such that the measurements assessed branch water potential. The dataset contains a csv file that has columns for the time, location, and value of each measurement. The dataset also contains a metadata file, column description file, and an E-Field log file in the recommended NGEE-Tropic formats.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2019

Light response (AQ) gas exchange by leaf age, Feb2017, PA-SLZ: Panama

Light response (AQ curves) gas exchange of sunlit canopy leaves of Terminalia amazonia (TERMAM), Vochysia ferruginea (VOCHFE), Miconia borealis (MICOBO) and Guatteria dumetorum (GUATDU) species from the Smithsonian Tropical Research Institute (STRI) canopy crane site in the San Lorenzo National Park, Republic of Panama, during February 2017. Light response was measured on young, mature and old leaves collected before dawn on 3 days. The data package comprises a single data spreadsheet (*.xlsx), two metadata spreadsheets, and data collection protocols and workflow (*.pdf). This data was collected as part of the 2017 Brookhaven National Lab – Smithsonian Tropical Research Institute leaf traits by age campaign. See related datasets for further sample details, leaf water potential, leaf spectra, diurnal gas exchange, sap flow, leaf mass area (LMA) and leaf chemistry.n National Lab - Smithsonian Tropical Research Institute (BNL–STRI) leaf traits by age campaign. See related datasets for further sample details, leaf water potential, leaf spectra, diurnal gas exchange, sap flow, leaf mass area (LMA) and leaf chemistry.

54 ENVIRONMENTAL SCIENCES↗